tag:blogger.com,1999:blog-84502414679862862822024-03-07T20:11:13.628-08:00Aparells Circulatori i Respiratoritap3eso2012http://www.blogger.com/profile/17692955715767815305noreply@blogger.comBlogger16125tag:blogger.com,1999:blog-8450241467986286282.post-75191278199905338952014-05-31T04:45:00.001-07:002014-05-31T04:45:46.033-07:00Hardwell-call me a spaceman remix by DjNavi<iframe allowfullscreen="" frameborder="0" height="270" src="//www.youtube.com/embed/JQllOubDnMY" width="480"></iframe>Anonymoushttp://www.blogger.com/profile/16063152450410662861noreply@blogger.com0tag:blogger.com,1999:blog-8450241467986286282.post-49881891918838914542013-01-14T10:25:00.002-08:002013-01-14T10:25:56.981-08:00videos que recomiendocomo soy un gran aficionado a la música aquí os dejo una canción que me parece muy buena<br />
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<br />Anonymoushttp://www.blogger.com/profile/16063152450410662861noreply@blogger.com0tag:blogger.com,1999:blog-8450241467986286282.post-30230154246060675372012-07-17T13:55:00.001-07:002012-07-17T13:55:14.212-07:00despues de fin de curso vacacionesHola a todos me gustaria diculparme por no haber prestado atencion al blog durante mucho tiempo prometo estar mas atento a partir de ahora.<br />
Bueno dicho esto, ya que esta pagina ya no va a ser evaluada puede añadir todo el contenido que quiera a si que si teneis sugerencias ponedlas en un comentario, y decidme tambien si creeis que deberia seguir con este tema o poner por ejemplo juegos en vez de informacion que es muy facil muchas gracias otra vez.Anonymoushttp://www.blogger.com/profile/16063152450410662861noreply@blogger.com0tag:blogger.com,1999:blog-8450241467986286282.post-27996617075817676542012-06-07T23:39:00.000-07:002012-06-07T23:39:00.368-07:00Les foses nasals o les narines son dos cavitats separades per un tabic i situades per el cap, per amunt de la cavitat bucal. Constitueixen el tram inicial del aparll respitratori, servint per l'entrada y eixint de l'aire, i ademes contenen l'orgán del olfat.alexishttp://www.blogger.com/profile/12612996527783296424noreply@blogger.com0tag:blogger.com,1999:blog-8450241467986286282.post-15796341700162543672012-06-07T11:44:00.001-07:002012-06-07T11:44:37.061-07:00<br />
Les foses nasals o narines son dos cavitats separades per un tabic i situades en el cap, per amunt de la cavitat bucal.Constitueixen el tram inicial de l'aparell respiratori, servint l'entrada i la eixida de l'aire, i ademes contenen l'orgán del olfacte.<img alt="" class="rg_hi uh_hi" data-height="177" data-width="285" height="177" id="rg_hi" src="https://encrypted-tbn0.google.com/images?q=tbn:ANd9GcTikCAjkOK5MIrxK57toIRqFUAJYUPNFbHBRY87x2OZiwL4NvQtQw" style="height: 177px; width: 285px;" width="285" />alexishttp://www.blogger.com/profile/12612996527783296424noreply@blogger.com0tag:blogger.com,1999:blog-8450241467986286282.post-81085300206646169562012-06-07T09:48:00.003-07:002012-06-07T09:56:38.986-07:00<br />
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Anatomía de la fosa nasal.</div>
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<a class="image" href="http://commons.wikimedia.org/wiki/File:Illu_nariz_y_cavidades_nasales.jpg?uselang=es"><img alt="" class="thumbimage" height="202" src="http://upload.wikimedia.org/wikipedia/commons/thumb/5/57/Illu_nariz_y_cavidades_nasales.jpg/350px-Illu_nariz_y_cavidades_nasales.jpg" width="350" /><span class="" id="result_box" lang="ca"><span class="hps">Les</span> <span class="hps">fosses</span> <span class="hps">nasals</span> <span class="hps">són dues</span> <span class="hps">cavitats</span> <span class="hps">que estan</span> <span class="hps">separades</span> <span class="hps">pel septe</span> <span class="hps">nasal i</span> <span class="hps">se situen a la</span> <span class="hps">cabeza.Forman</span> <span class="hps">part</span> <span class="hps">comença</span> <span class="hps">ment</span> <span class="hps">de l'aparell</span> <span class="hps">digestiu</span> <span class="hps">i</span> <span class="hps">serveixen</span> <span class="hps">per al'entrada i</span> <span class="hps">sortida de</span> <span class="hps">aire.Contienen</span> <span class="hps">l'òrgan del</span> <span class="hps">olfatoLas</span> <span class="hps">fosses</span> <span class="hps">nasals</span> <span class="hps">tenen una</span> <span class="hps">mucosa amb</span> <span class="hps">abundants</span> <span class="hps">borrissols</span> <span class="hps">:</span><br /><br /> <span class="hps">Cèl · lules</span> <span class="hps">ciliades</span> <span class="hps">i</span> <span class="hps">velloses</span>: <span class="hps">Pituïtària</span> <span class="hps">Roja</span>.<br /> <span class="hps">Cèl · lules</span> <span class="hps">nervioses</span> <span class="hps">olfactives</span>: <span class="hps">Pituïtària</span> <span class="hps">Groga</span><br /><br /> <span class="hps">Gràcies a la</span> <span class="hps">respiració</span> <span class="hps">es</span> <span class="hps">poden intercanviar</span> <span class="hps">gasos</span> <span class="hps">del nostre</span> <span class="hps">organismo.El</span> <span class="hps">aire</span> <span class="hps">entra dins</span> <span class="hps">del nostre organisme</span> <span class="hps">i</span> <span class="hps">arriba als</span> <span class="hps">pulmons</span> <span class="hps">a través de les</span> <span class="hps">fosses</span> <span class="hps">nasals o</span> <span class="hps">nas</span><span class="">.</span><br /><br /> <span class="hps">Les</span> <span class="hps">fosses</span> <span class="hps">nasals</span> <span class="hps">estan coberts</span> <span class="hps">de vellositats</span> <span class="hps">amb cèl · lules</span> <span class="hps">que secreten</span> <span class="hps">mucositat</span><br /><br /> <span class="hps">Anatomia</span> <span class="hps">de la fossa</span> <span class="hps">nasal</span>.<br /><br /> <span class="hps">El rentat</span> <span class="hps">nasal</span> <span class="hps">s'ha de fer</span> <span class="hps">perquè</span> <span class="hps">penetri</span> <span class="hps">fins a la faringe</span>, <span class="hps">és a dir</span>, <span class="hps">el rentat</span> <span class="hps">ha de caure</span> <span class="hps">cap a la cavitat</span> <span class="hps">bucal</span>.<br /><br /> <span class="hps"></span></span><span class="" id="result_box" lang="ca"><span class="hps">Les</span> <span class="hps">fosses</span> <span class="hps">nasals</span> <span class="hps">mostren</span> <span class="hps">dos orificis</span> <span class="hps">anteriors</span> <span class="hps">anomenats</span> <span class="hps">narius</span><span>,</span> <span class="hps">situades a la</span> <span class="hps">base o</span> <span class="hps">superfície inferior</span> <span class="hps">del nas</span><span>,</span> <span class="hps">que representen</span> <span class="hps">la comunicació</span> <span class="hps">amb l'exterior per</span> <span class="hps">l'entrada o</span> <span class="hps">sortida d'aire</span><span class="">.</span></span><span class="" id="result_box" lang="ca"> <span class="hps">comptagotes</span> <span class="hps">però</span> <span class="hps">cal insistir</span> <span class="hps">de manera que sigui</span> <span class="hps">eficaç</span>.</span></a>
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<a href="http://www.dibujosparapintar.com/juegos_ed_nat_sistema_respiratorio.html">http://www.dibujosparapintar.com/juegos_ed_nat_sistema_respiratorio.html</a>Anonymoushttp://www.blogger.com/profile/16063152450410662861noreply@blogger.com0tag:blogger.com,1999:blog-8450241467986286282.post-36005276179086141652012-06-07T03:11:00.001-07:002012-06-07T09:59:19.773-07:00<a href="http://www.profesorenlinea.cl/imagenciencias/faringe001.jpg" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="257" id="il_fi" src="http://www.profesorenlinea.cl/imagenciencias/faringe001.jpg" style="padding-bottom: 8px; padding-right: 8px; padding-top: 8px;" width="283" /></a><span class="" id="result_box" lang="ca"><span class="hps">La faringe</span> <span class="hps">és un tub</span> <span class="hps">muscular</span> <span class="hps">que comunica</span> <span class="hps">l'aparell</span> <span class="hps">digestiu</span>. <span class="hps">és</span> <span class="hps">la cavitat</span> <span class="hps">que comunica</span> <span class="hps">el nas</span> <span class="hps">per dos</span> <span class="hps">forats</span> <span class="hps">també</span> <span class="hps">es comunica amb</span> <span class="hps">el tub</span> <span class="hps">respiratori</span> <span class="hps">que s'obre</span> <span class="hps">en respirar</span> <span class="hps">i</span> <span class="hps">es tanca</span> <span class="hps">quant</span> <span class="hps">passa</span> <span class="hps">l'aliment</span> <span class="hps">per impedir que</span> <span class="hps">l'aliment</span> <span class="hps">vagi</span> <span class="hps">al tub</span> <span class="hps">digestiu</span>. <span class="hps">entre</span> <span class="hps">la faringe</span> <span class="hps">es troba el</span> <span class="hps">vel del</span> <span class="hps">palada. La</span> <span class="hps">faringe</span> <span class="hps">es comunica</span> <span class="hps">més amb</span> <span class="hps">l'esòfag</span> <span class="hps">que un tub</span> <span class="hps">llarg</span>, <span class="hps">situat</span> <span class="hps">a continuació de la</span>. </span><span class="" id="result_box" lang="ca"> <span class="hps">La faringe</span> <span class="hps">es</span> <span class="hps">troba</span> <span class="hps">recoberta</span> <span class="hps">per una mucosa</span> <span class="hps">la qual és</span> <span class="hps">diferent</span> <span class="hps">segons la zona</span> <span class="hps">que s'estudiï</span><span>:</span><br /><br /> <span class="hps">Rinofaringe</span><span>:</span> <span class="hps">epiteli</span> <span class="hps">cilíndric</span> <span class="hps">ciliat</span> <span class="hps atn">pseudo-</span><span>estratificat</span><span>;</span><br /> <span class="hps">Mesofaringe</span><span>:</span> <span class="hps">epiteli</span> <span class="hps">escamós</span> <span class="hps">estratificat</span><span>;</span><br /> <span class="hps">Hipofaringe</span><span>:</span> <span class="hps">epiteli</span> <span class="hps">cilíndric</span> <span class="hps">ciliat</span> <span class="hps">pseudo</span><span class="atn">-</span><span>estratificat</span><span>.</span><br /><br /> <span class="hps">També</span> <span class="hps">és un canal</span> <span class="hps">que comunica</span> <span class="hps">la boca i</span> <span class="hps">l'esòfag</span><span class="">.</span> <span class="hps">La</span> <span class="hps">contracció</span> <span class="hps">permet que</span> <span class="hps">el bol alimentari</span> <span class="hps">passi</span> <span class="hps">a l'esòfag</span><span class="">.</span></span><span class="" id="result_box" lang="ca"><span class="hps">faringe</span>, <span class="hps">que condueix</span> <span class="hps">l'alime</span></span><span class="" id="result_box" lang="ca"><span class="hps">nt</span> <span class="hps">a l'estómac.</span></span>Anonymoushttp://www.blogger.com/profile/11752275883193713808noreply@blogger.com0tag:blogger.com,1999:blog-8450241467986286282.post-60575783805417954142012-06-04T06:04:00.000-07:002012-06-07T03:18:16.793-07:00la laringe, la faringe i els bronquisLa laringe: La laringe és un òrgan de la fonació, un conducte aeri i un mecanisme esfintèria que s esten desde la base de la llengua fins a la tràquea. Es el resultat de l' adaptació de un organ que ha estat transformat per a participar, juntament amb altres òrgans en funcions molt importants per éssers més evolucionats.<br />
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La tràquea: es un òrgan del aparell respiratori de caracter cartilaginós i membranós que va desde la laringe hasta el bronquis.<br />
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Els bronquis: son els conductes respiratoris que es divideis la tràquea. Serveixen per conduir el aire per l' interior dels pulmons.<br />
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<br />alexishttp://www.blogger.com/profile/12612996527783296424noreply@blogger.com0tag:blogger.com,1999:blog-8450241467986286282.post-84547639284884385772012-06-02T01:46:00.003-07:002012-06-02T01:46:13.112-07:00introducció de l'aparell respiratori<span style="font-family: Arial;">Quan respirem, intercanviem
gasos entre el nostre cos i l'exterior. Per realitzar la nutrició, necessitem
prendre oxigen de l'aire i eliminar el diòxid de carboni que es forma al nostre
cos.<br />L'aparell respiratori és l'aparell encarregat de fer la respiració.</span><br />
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<span style="font-family: Arial;">Les parts de l'aparell respiratori son: L'aparell respiratori humà està constituït per les fosses nasals, la
faringe, la laringe<strong>,</strong> la tràquea, els dos bronquis i
els dos pulmons.</span><br />
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<span style="font-family: Arial Unicode MS;">El pulmó, órgan molt important del aparell
respiratori, es el lloc en que es verifiquen les importants funcions de la
hematosis.</span><br />
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<span style="font-family: Arial Unicode MS;"><o:p><span id="result_box" lang="ca"><span style="font-family: Arial, Helvetica, sans-serif;"><span class="hps">En nombre</span> <span class="hps">de dos</span><span>,</span> <span class="hps">estan</span> <span class="hps">situats a la</span> <span class="hps">caixa</span> <span class="hps">toràcica</span> <span class="hps">i</span> <span class="hps">separats</span> <span class="hps">entre si</span> <span class="hps">pel conjunt</span> <span class="hps">d'òrgans que</span> <span class="hps">constitueixen el</span> <span class="hps">mediastí</span><span>.</span><br /><br /> <span class="hps">Dimensions</span> <span class="hps">mitjana</span><span>:</span> <span class="hps">Alçada</span> <span class="hps">25 cm</span><span>,</span> <span class="hps">diàmetre</span> <span class="hps">antero</span> <span class="hps">posterior</span> <span class="hps">16cm</span><span>,</span> <span class="hps">diàmetre</span> <span class="hps">transvers</span> <span class="hps">de la base</span> <span class="hps">10cm</span> <span class="hps">el dret i</span> <span class="hps">7cm</span> <span class="hps">l'esquerre</span><span>.</span><br /><br /> <span class="hps">Volum en</span> <span class="hps">espiració</span><span>: 1600</span> <span class="hps">cm3</span> <span class="hps">en l'home</span> <span class="hps">i 1300</span> <span class="hps">cm3</span> <span class="hps">en la dona</span><span>.</span> <span class="hps">El volum</span> <span class="hps">del pulmó</span> <span class="hps">dret</span> <span class="hps">avantatja</span> <span class="hps">sempre al</span> <span class="hps">pulmó</span> <span class="hps">esquerre</span> <span class="hps">en 1/5</span> <span class="hps">a 1/6</span><span>.</span> <span class="hps">El volum</span> <span class="hps">varia segons</span> <span class="hps">l'edat i</span> <span class="hps">sexe</span><span>.</span></span></span></o:p></span><br />
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<span style="font-family: Arial;">El pulmó dret té tres lòbuls i l'esquerre dos. Cada lòbul<strong>
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<span style="color: white;">El cor es l'órgan del sistema cardiovascular que actua com a bomba que impulsa la sang pel sistema arterial i la xucla pel sistema venós. El seu interior té 4 cavitats: dues aurícules a la part superior i dos ventricles en la part inferior. A l'aurícula dreta arriben les venes caves. Pel ventricle dret surt l'artèria pulmonar i per l'esquerre surt l'artèria aorta.</span></div>
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<span style="color: white; font-family: Arial, Helvetica, sans-serif;"><strong>Oxigenació dels teixts</strong></span></div>
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<span style="color: white; font-family: Arial, Helvetica, sans-serif;">Els músculs i els òrgans necessiten oxigen constantment per treballar bé. El cor porta sang oxigenada pels vasos sanguinis a les cèl · lules del cos, mentre les sang sense oxigen torna al cor de la circulació sistèmica.</span></div>
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<span style="color: white; font-family: Arial, Helvetica, sans-serif;"><strong>La
circulació</strong></span></div>
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<span style="color: white; font-family: Arial, Helvetica, sans-serif;">La sang primer passa de la part dreta del cor cap a l'artèria pulmonar i pels vasos petits del pulmon tornant al costat esquerre del cor i sortint per l'aorta. Sang de les venes torna al cor per la vena cava superior i la vena cava inferior.</span></div>
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<span style="color: white; font-family: Arial, Helvetica, sans-serif;"><b>L'acció del
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<span style="color: white; font-family: Arial, Helvetica, sans-serif;">Les cavitats del cor es contrauen de manera rítmica per empènyer la sang per la circulació. Els ventricles són els responsable per portar la sang fora del cor. Els pacients poden sobreviure si la arteria no treballa bé però si els ventricles paren de contraure el pacient es mor en minuts. El múscul del cor rep sang per les artèries coronàries.</span></div>
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<iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='320' height='266' src='https://www.youtube.com/embed/BRq1-6gMsr8?feature=player_embedded' frameborder='0'></iframe></div>
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vos deixe el link d'un joc del cor:</div>
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<a href="http://www.dibujosparapintar.com/juegos_ed_nat_partes_corazon.html">http://www.dibujosparapintar.com/juegos_ed_nat_partes_corazon.html</a></div>Anonymoushttp://www.blogger.com/profile/16063152450410662861noreply@blogger.com0tag:blogger.com,1999:blog-8450241467986286282.post-60873970666948608962012-05-26T01:51:00.002-07:002012-05-26T12:11:32.723-07:00La sang<span style="font-family: inherit;">La sang és una suspensió de cèl-lules en un medi aquós, impulsada pel cor a través dels vasos sanguinis, amb l'objectiu de distribuir oxigen i nutrients als diferents teixits així com eliminar els residus, entre altres funcions. Està formada per una matriu extracel·lular líquida anomenada plasma. El plasma, representa el 55% de la sang total, està compost principalment d'aigua (90% en volum), i conté una dissolució de proteïnes, lípids, glucosa, ions minerals, hormones, diòxid de carboni (el plasma és el medi mitjà de transport de productes residuals), plaquetes i les cèl·lules sanguínies mateixes. L'any 2011 s’havien identificat en la sang 4.229 productes químics els quals potencialment es poden utilitzar en el diagnòstic de problemes de la salut</span><br />
<span style="font-family: inherit;">Circula per artèries, venes i capil·lars, suposant el 7,7% del pes corporal. Té el seu origen en les cèl·lules mare hematopoètiques. El sistema hematopoètic, és el sistema encarregat de la formació de la sang.</span><br />
<span style="font-family: inherit;">La seva definició histològica<span style="color: black;"> </span><span style="color: white;">és la de ser una varietat de teixit conjuntiu especialitzat. Caracteritzat a més per contenir una matriu extra-cel·lular líquida (el plasma sanguini), i una sèrie d'elements figurats.</span></span><br />
<span style="color: white; font-family: inherit;">El volum de sang circulant es diu volèmia aquesta està avaluada entre 68 i 77ml per kilogram de pes corporal. Una persona normal (uns 70 Kg) té uns 5 litres de sang. El pes total de la sang equival a 1/13, un 78% és aigua i el 22% restant són elements sòlids.</span><br />
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<span style="font-family: inherit;">La sang té una gran varietat de funcions:</span><br />
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<li><span style="background-color: black; color: white; font-family: inherit;">Funció respiratòria: Transporta oxigen (O<sub>2</sub>) des dels pulmons cap als diferents teixits.</span></li>
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<li><span style="background-color: black; color: white; font-family: inherit;">Funció nutritiva: Transporta nutrients cap als diferents teixits.</span></li>
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<li><span style="background-color: black; color: white; font-family: inherit;">Funció excretora: Transporta els productes de secreció dels catabolisme cel·lular cap als òrgans cap on han de ser eliminats.</span></li>
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<li><span style="background-color: black; color: white; font-family: inherit;">Funció de regulació hormonal: Transporta les hormones cap a les cèl·lules diana.</span></li>
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<li><span style="background-color: black; color: white; font-family: inherit;">Funció reguladora tèrmica: Distribueix calor per tot el cos per mantenir una temperatura constant.</span></li>
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<li><span style="font-family: inherit;"><span style="color: white;"><span style="background-color: black;">Funció del manteniment del pH: Controla el pH constant al llarg del cos. El pH plàsmic normal és aproximadament de 7,4.</span></span></span></li>
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<li><span style="font-family: inherit;"><span style="color: white;"><span style="background-color: black;">Funció de manteniment del volum intersticial: Conserva inalterat el volum del líquid contingut en el compartiment existent entre les cèl·lules dels teixits.</span></span></span></li>
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<li><span style="font-family: inherit;"><span style="color: white;"><span style="background-color: black;">Funció defensiva: La sang protegeix l'organisme de les infeccions, ja que és la encarregada de transportar els glòbuls blancs que són encarregats de sistema immunitari.</span></span></span></li>
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<li><span style="background-color: black; color: white; font-family: inherit;">Funció hemostàtica: Quan hi ha una lesió, la sang deté els seves pròpies ferides a través de les plaquetes.</span></li>
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<br />Anonymoushttp://www.blogger.com/profile/16063152450410662861noreply@blogger.com0tag:blogger.com,1999:blog-8450241467986286282.post-7377625941424137072012-05-23T10:02:00.005-07:002012-05-23T10:22:16.460-07:00definició de les parts del sistema limfàtic 3<span style="background-color: white;"><br /></span><br />
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<span class="" id="result_box" lang="ca" style="display: block; font-size: 16px; min-height: 93px; padding: 8px;"><span style="background-color: black;"><span style="color: white;"><span class="hps">La medul · la</span> <span class="hps">òssia és</span> <span class="hps">un tipus</span> <span class="hps">de teixit que</span> <span class="hps">es</span> <span class="hps">troba a l'interior</span> <span class="hps">dels ossos</span> <span class="hps">llargs</span>,<span class="hps">vèrtebres</span><span class="">,</span> <span class="hps">costelles</span>, <span class="hps">estèrnum</span>, <span class="hps">ossos</span> <span class="hps">del crani</span><span class="">,</span> <span class="hps">cintura</span> <span class="hps">escapular</span> <span class="hps">i pelvis</span>.<br /><span class="hps">Totes</span> <span class="hps">les cèl · lules</span> <span class="hps">sanguínies</span> <span class="hps">deriven</span> <span class="hps">d'una sola</span> <span class="hps">cèl · lula</span> <span class="hps">mare</span> <span class="hps">hematopoètica</span><span class="hps">pluripotencial</span> <span class="hps">ubicada a la</span> <span class="hps">medul ·</span> <span class="hps">ósea.</span><br /><span class="hps">No</span> <span class="hps">s'ha de confondre amb</span> <span class="hps">la medul · la</span> <span class="hps">espinal</span> <span class="hps">localitzada</span> <span class="hps">a la columna</span> <span class="hps">vertebral i </span><span class="hps">encarregada</span> <span class="hps">de la transmissió</span> <span class="hps">dels impulsos</span> <span class="hps">nerviosos</span> <span class="hps">cap a tot</span> <span class="hps">el cos</span><span class="">.</span></span></span></span></div>
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<span class="" id="result_box" lang="ca" style="display: block; font-size: 16px; min-height: 93px; padding: 8px;"><span style="background-color: black;"><span style="color: white;"><span class="hps">El teixit</span> <span class="hps">limfàtic</span> <span class="hps">o</span> <span class="hps">linfoideo</span> <span class="hps">és el component</span> <span class="hps">principal del sistema</span> <span class="hps">immunitari</span> <span class="hps">i</span> <span class="hps">està format</span> <span class="hps">per diversos</span> <span class="hps">tipus diferents de</span> <span class="hps">cèl · lules que</span> <span class="hps">treballen</span> <span class="hps">juntes per</span> <span class="hps">combatre una</span><span class="hps">infecció</span><span class="">.</span> <span class="hps">El teixit</span> <span class="hps">limfàtic</span> <span class="hps">i el sistema</span> <span class="hps">immunitari</span> <span class="hps">poden participar</span> <span class="hps">també</span> <span class="hps">en la lluita contra</span> <span class="hps">alguns tipus</span> <span class="hps">de càncer</span><span class="">.</span> <span class="hps">Aquest sistema</span> <span class="hps">rebutja</span><span class="">, a més</span><span class="">,</span> <span class="hps">els</span> <span class="hps">teixits</span> <span class="hps">rebuts</span> <span class="hps">d'altres persones</span><span class="">,</span> <span class="hps">com ara les</span> <span class="hps">transfusions</span> <span class="hps">de sang</span> <span class="hps">o els</span> <span class="hps">trasplantaments</span> <span class="hps">d'òrgans</span>.<br /><br /><span class="hps">El teixit</span> <span class="hps">limfàtic</span> <span class="hps">es</span> <span class="hps">troba en molts</span> <span class="hps">llocs del</span> <span class="hps">cos</span><span class="">,</span> <span class="hps">incloent els</span> <span class="hps">ganglis</span> <span class="hps">limfàtics</span><span class="">,</span> el tim, <span class="hps">la melsa</span>, <span class="hps">les</span> <span class="hps">amígdales</span> <span class="hps">i la</span> <span class="hps">medul · la òssia</span><span class="">,</span> <span class="hps">i</span> <span class="hps">també</span> <span class="hps">es troba</span> <span class="hps">dispers</span> <span class="hps">dins d'altres</span><span class="hps">sistemes</span><span class="">,</span> <span class="hps">com el</span> <span class="hps">digestiu</span> <span class="hps">i</span> <span class="hps">el respiratori</span>. <span class="hps">El</span> <span class="hps">sistema limfàtic</span> <span class="hps">és l'encarregat</span> <span class="hps">d'enllaçar</span><span class="hps">tots els teixits</span> <span class="hps">limfàtics</span> <span class="hps">entre si</span><span class="">.</span><br /><br /><span class="hps">El tipus</span> <span class="hps">principal</span> <span class="hps">de cèl · lula</span> <span class="hps">que forma</span> <span class="hps">el teixit</span> <span class="hps">limfàtic</span> <span class="hps">és</span> <span class="hps">el limfòcit</span>. <span class="hps">Els</span> <span class="hps">limfòcits</span>, <span class="hps">a partir dels</span> <span class="hps">quals es desenvolupen els</span> <span class="hps">limfomes</span>, <span class="hps">circulen</span> <span class="hps">pel sistema</span> <span class="hps">limfàtic</span> <span class="hps">en direcció al</span> <span class="hps">torrent</span> <span class="hps">sanguini</span>. <span class="hps">Hi ha dos</span> <span class="hps">tipus principals</span> <span class="hps">de limfòcits</span><span class="">: els</span> <span class="hps">limfòcits</span> <span class="hps">B i</span> <span class="hps">limfòcits</span> <span class="hps">T.</span><span class="hps">Encara que ambdós</span> <span class="hps">tipus poden</span> <span class="hps">produir un</span> <span class="hps">limfoma</span><span class="">,</span> <span class="hps">els</span> <span class="hps">de cèl · lules</span> <span class="hps">B són</span> <span class="hps">molt més</span><span class="hps">freqüents</span> <span class="hps">que els de</span> <span class="hps">cèl · lules T.</span></span></span></span></div>
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<span class="" id="result_box" lang="ca" style="display: block; font-size: 16px; min-height: 93px; padding: 8px;"><span style="background-color: black;"><span style="color: white;"><span class="hps">La limfa</span> <span class="hps">és</span> <span class="hps">un líquid</span> <span class="hps">transparent que</span> <span class="hps">recorre els</span> <span class="hps">vasos limfàtics</span> <span class="hps">i generalment</span> no conté <span class="hps">de pigments</span><span class="">.</span> <span class="hps">La limfa</span> <span class="hps">es produeix després de</span> <span class="hps">l'excés</span> <span class="hps">de líquid que</span> <span class="hps">surt dels</span> <span class="hps">capil · lars</span><span class="hps">sanguinis</span> <span class="hps">a l'espai</span> <span class="hps">intersticial</span> <span class="hps">o</span> <span class="hps">intercelular</span><span class="">,</span> <span class="hps">sent recollida</span> <span class="hps">pels</span> <span class="hps">capil · lars</span> <span class="hps">limfàtics</span> <span class="hps">que drenen</span> <span class="hps">a</span> <span class="hps">gots</span> <span class="hps">limfàtics</span> <span class="hps">més</span> <span class="hps">gruixuts</span> <span class="hps">fins a convergir</span> <span class="hps">en conductes</span> <span class="hps">que es buiden</span> <span class="hps">en les</span><span class="hps">venes</span> <span class="hps">subclavias</span>.<br /><span class="hps">La</span> <span class="hps">limfa</span> <span class="hps">recorre el</span> <span class="hps">sistema limfàtic</span> <span class="hps">gràcies a</span> <span class="hps">febles</span> <span class="hps">contraccions dels</span> <span class="hps">músculs</span><span class="">,</span> <span class="hps">de la pulsació</span> <span class="hps">de les artèries</span> <span class="hps">properes</span> <span class="hps">i</span> <span class="hps">del moviment de les</span> <span class="hps">extremitats</span>. <span class="hps">Si</span> <span class="hps">un got</span> <span class="hps">pateix una</span><span class="hps">obstrucció</span><span class="">,</span> <span class="hps">el líquid</span> <span class="hps">s'acumula en</span> <span class="hps">la zona afectada</span><span class="">,</span> <span class="hps">produint-se una</span> <span class="hps">inflor</span> <span class="hps">anomenada</span><span class="hps">edema</span><span class="">.</span><br /><span class="hps">La limfa</span> <span class="hps">està</span> <span class="hps">composta per un</span> <span class="hps">líquid clar</span> <span class="hps">pobre</span> <span class="hps">en proteïnes</span> <span class="hps">i</span> <span class="hps">ric en</span> <span class="hps">lípids</span><span class="">,</span> <span class="hps">semblant a</span> <span class="hps">la sang</span><span class="">,</span> <span class="hps">però</span> <span class="hps">amb</span> <span class="hps">la diferència que</span> <span class="hps">les</span> <span class="hps">úniques</span> <span class="hps">cèl · lules que</span> <span class="hps">conté</span> <span class="hps">són els</span> <span class="hps">glòbuls</span> <span class="hps">blancs que</span><span class="">,</span> <span class="hps">migren</span> <span class="hps">dels capil · lars</span> <span class="hps">i</span> <span class="hps">procedeixen dels</span> <span class="hps">ganglis</span> <span class="hps">limfàtics</span><span class="">,</span> <span class="hps">sense</span> <span class="hps">contenir</span><span class="hps">hematies</span>. <span class="hps">La limfa</span> <span class="hps">és</span> <span class="hps">més</span> <span class="hps">abundant que</span> <span class="hps">la sang</span><span class="">.</span></span></span></span><span class="" id="result_box" lang="ca" style="display: block; font-size: 16px; min-height: 93px; padding: 8px;"><span style="background-color: black;"><span style="color: white;"><span class="hps">Les tres</span> <span class="hps">funcions</span> <span class="hps">que realitza la</span> <span class="hps">limfa</span> <span class="hps">són</span>:<br /><span class="hps">Recollir</span> <span class="hps">i</span> <span class="hps">retornar</span> <span class="hps">el líquid</span> <span class="hps">intersticial</span> <span class="hps">a la sang</span>.<br /><span class="hps">Defensar</span> <span class="hps">el cos</span> <span class="hps">contra els</span> <span class="hps">organismes</span> <span class="hps">patògens</span>.<br /><span class="hps">Absorbir</span> <span class="hps">els</span> <span class="hps">nutrients</span> <span class="hps">de l'aparell</span> <span class="hps">digestiu</span> <span class="hps">i bolcar</span> <span class="hps">a les venes</span> <span class="hps">subclavias</span><span class="">.</span></span></span>
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<br />Anonymoushttp://www.blogger.com/profile/16063152450410662861noreply@blogger.com0tag:blogger.com,1999:blog-8450241467986286282.post-32777175610990549322012-05-21T06:03:00.000-07:002012-05-21T09:22:24.769-07:00definició de les parts del sistema limfàtic 2<em><strong></strong></em><br />
<span style="font-family: inherit;"><br /></span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><span style="color: white;"><span style="background-color: black;">-els organs limfàtics <span class="hps">són: <span class="hps">la melsa</span> <span class="hps">i</span> el tim, i els <span class="hps">teixits</span> <span class="hps">limfàtics</span> <span class="hps">o</span> <span class="hps">linfoideos</span> <span class="hps">són</span> <span class="hps">l'amígdala</span>, <span class="hps">les</span> <span class="hps">plaques</span> <span class="hps">de Peyer</span>, els ganglis <span class="hps">limfàtics</span> <span class="hps">i la</span> <span class="hps">medul-la òssia</span>.</span></span></span></span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><span class="hps"><span style="font-family: Arial, Helvetica, sans-serif;"></span><br /><span style="color: white;"><span style="background-color: black;">
<span style="font-family: inherit;"><span style="font-family: Arial, Helvetica, sans-serif;"><span class="hps">La melsa</span> <span class="hps">té la funció</span> <span class="hps">de filtrar la</span> <span class="hps">sang</span> <span class="hps">i</span> <span class="hps">netejar-la de</span> <span class="hps">formes</span> <span class="hps">cel-lulars</span> <span class="hps">alterades</span> <span class="hps">i</span>,<span class="hps">juntament amb</span> el tim <span class="hps">i la</span> <span class="hps">medul-la òssia</span>, <span class="hps">compleixen la</span> <span class="hps">funció</span> <span class="hps">de madurar</span> <span class="hps">als limfòcits</span>, <span class="hps">que són</span> <span class="hps">un tipus de</span> <span class="hps">leucòcit</span>.<span class="hps">Quan la</span> <span class="hps">pressió</span> <span class="hps">sanguínia</span> <span class="hps">augmenta</span> <span class="hps">dins dels</span> <span class="hps">gots</span> <span class="hps">capil-lars</span>, <span class="hps">el plasma</span> <span class="hps">sanguini</span><span class="hps">tendeix</span> <span class="hps">a difondre</span> <span class="hps">a través de les</span> <span class="hps">parets dels</span> <span class="hps">capil-lars</span>, <span class="hps">a causa de la</span> <span class="hps">gran pressió</span> <span class="hps">que s'exerceix sobre</span> <span class="hps">aquestes parets</span>. <span class="hps">Durant aquest</span> <span class="hps">procés es</span> <span class="hps">perd gran</span> <span class="hps">quantitat</span> <span class="hps">de nutrients</span> <span class="hps">i</span> <span class="hps">biomoléculas que</span> <span class="hps">són</span> <span class="hps">transportats</span> <span class="hps">per mitjà de la</span> <span class="hps">sang</span>, <span class="hps">creant amb</span> <span class="hps">això una </span><span class="hps">descompensació en</span> <span class="hps">l'homeòstasi</span>, és <span class="hps">en aquest</span> <span class="hps">instant</span> <span class="hps">on</span> <span class="hps">pren una</span> <span class="hps">importància</span> <span class="hps">radical </span><span class="hps">el sistema</span> <span class="hps">limfàtic</span>, <span class="hps">ja que s'encarrega</span> <span class="hps">de recol-lectar</span> <span class="hps">tot</span> <span class="hps">el plasma</span> <span class="hps">perdut</span> <span class="hps">durant</span> <span class="hps">la pressió</span> <span class="hps">sanguínia</span> <span class="hps">i fer que</span> <span class="hps">torne</span> <span class="hps">als gots</span> <span class="hps">sanguinis</span> <span class="hps">mantenint</span>, <span class="hps">d'aquesta manera</span>,<span class="hps">l'homeòstasi</span> <span class="hps">corporal</span></span></span></span></span></span></span><br />
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<span style="color: black;"></span>Anonymoushttp://www.blogger.com/profile/16063152450410662861noreply@blogger.com2tag:blogger.com,1999:blog-8450241467986286282.post-84674547754619696312012-05-16T06:24:00.003-07:002012-05-23T10:13:31.688-07:00definició de les parts del sistema limfàtic 1el següent sera explicar les diferents parts que formen el sistema limfàtic anteriormet mencionat.<br />
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-els vasos limfàtics: son canals fins i molt petits que transformen material desfet i cel-lules del sistema inmunitari en un liquid anomenat limfa anomenat i definit anteriorment, es distribueixen per tot el cos naixent en els espais intersticials de les cel-lules i desenboquen en petites estacions anomenades ganglis limfàtics fins finalitzar a la circulacio venosa sistemica.<br />
-els ganglis: son unes estructures nodulars que formen que formen part del sistema limfàtic i formen agrupacions en forma de raims, actuen com a filtres de la limfa, el tindre una estructura interna de teixit conectiu, fi i en forma de red plena de limfòcits que arreplegen i destrueixen bacteries i virus per tant els ganglis també formen part de sistema inmunitari.<br />
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<br />Anonymoushttp://www.blogger.com/profile/16063152450410662861noreply@blogger.com1tag:blogger.com,1999:blog-8450241467986286282.post-59402019445022923732012-05-07T08:40:00.001-07:002012-10-19T11:49:18.901-07:00introducció de l'aparell circulatori<div style="text-align: center;">
<strong><span style="font-size: large;">L'APARELL CIRCULATORI</span></strong></div>
<span style="background-color: black;"><br /></span>
<span style="background-color: black; color: white; font-family: Arial, Helvetica, sans-serif;">El primer que he de dir, es que este blog a sigut creat amb la intenció de ajudar a la gent que necesita informacio sobre l'aparell circulatori. Dit aço, el meu objectiu en aquesta primera entrada sera introduir l'aparell circulatori.</span><br />
<span style="background-color: black; color: white; font-family: Arial, Helvetica, sans-serif;"> Si pensem en aparell circulatori el primer que ens ve a la ment es la sang, la cual es vital per a l'organisme, doncs be, una de les principals funcions de l'aparell circulatori es la distribuir la sang per tot el cos,l'aparell circulatori,es una estructura anatomica, i aquesta esta formada pel sistema cardiobascular,aquest es el que fa circular la sang, la estructura anatomica tambe esta formada pel sistema limfàtic,que condueix la limfa,.</span><br />
<span style="background-color: black; color: white; font-family: Arial, Helvetica, sans-serif;"><span class="hps">La limfa</span> <span class="hps">és</span> <span class="hps">un líquid</span> <span class="hps">transparent que</span> <span class="hps">recorre els</span> <span class="hps">vasos limfàtics</span> <span class="hps">i generalment</span> <span class="hps">manca</span> <span class="hps">de pigments</span>. <span class="hps">La limfa</span> <span class="hps">es produeix després de</span> <span class="hps">l'excés</span> <span class="hps">de líquid que</span> <span class="hps">surt dels</span> <span class="hps">capil · lars</span><span class="hps">sanguinis</span> <span class="hps">a l'espai</span> <span class="hps">intersticial</span> <span class="hps">o</span> <span class="hps">intercelular</span>, <span class="hps">sent recollida</span> <span class="hps">pels</span> <span class="hps">capil · lars</span> <span class="hps">limfàtics</span> <span class="hps">que drenen</span> <span class="hps">a</span> <span class="hps">gots</span> <span class="hps">limfàtics</span> <span class="hps">més</span> <span class="hps">gruixuts</span> <span class="hps">fins a convergir</span> <span class="hps">en conductes</span> <span class="hps">que es buiden</span> <span class="hps">en les</span><span class="hps">venes</span> <span class="hps">subclavias</span>.</span><br />
<span style="background-color: black; color: white; font-family: Arial, Helvetica, sans-serif;"><span class="hps">La</span> <span class="hps">limfa</span> <span class="hps">recorre el</span> <span class="hps">sistema limfàtic</span> <span class="hps">gràcies a</span> <span class="hps">febles</span> <span class="hps">contraccions dels</span> <span class="hps">músculs</span>, <span class="hps">de la pulsació</span> <span class="hps">de les artèries</span> <span class="hps">properes</span> <span class="hps">i</span> <span class="hps">del moviment de les</span> <span class="hps">extremitats</span>. <span class="hps">Si</span> <span class="hps">un got</span> <span class="hps">pateix una</span><span class="hps">obstrucció</span>, <span class="hps">el líquid</span> <span class="hps">s'acumula en</span> <span class="hps">la zona afectada</span>, <span class="hps">produint-se una</span> <span class="hps">inflor</span> <span class="hps">anomenada</span><span class="hps">edema</span>.<span class="hps">La limfa</span> <span class="hps">està</span> <span class="hps">composta per un</span> <span class="hps">líquid clar</span> <span class="hps">pobre</span> <span class="hps">en proteïnes</span> <span class="hps">i</span> <span class="hps">ric en</span> <span class="hps">lípids</span>, <span class="hps">semblant a</span> <span class="hps">la sang</span>, <span class="hps">però</span> <span class="hps">amb</span> <span class="hps">la diferència que</span> <span class="hps">les</span> <span class="hps">úniques</span> <span class="hps">cèl · lules que</span> <span class="hps">conté</span> <span class="hps">són els</span> <span class="hps">glòbuls</span> <span class="hps">blancs que</span>, <span class="hps">migren</span> <span class="hps">dels capil · lars</span> <span class="hps">i</span> <span class="hps">procedeixen dels</span> <span class="hps">ganglis</span> <span class="hps">limfàtics</span>, <span class="hps">sense</span> <span class="hps">contenir</span><span class="hps">hematies</span>. <span class="hps">La limfa</span> <span class="hps">és</span> <span class="hps">més</span> <span class="hps">abundant que</span> <span class="hps">la sang</span>.</span><br />
<span style="background-color: black;"><span style="color: white;"><br /></span></span>
<span style="background-color: black; color: white; font-family: Arial, Helvetica, sans-serif;">En l'esser humà, el sistema limfàtic esta compost per:</span><br />
<span style="background-color: black;"><span style="color: white;"><br /></span></span>
<span style="background-color: black;"><span style="color: white;"> <span style="font-family: Arial, Helvetica, sans-serif;"> -vasos limfàtics.</span></span></span><br />
<span style="background-color: black; color: white; font-family: Arial, Helvetica, sans-serif;"> -els ganglis.</span><br />
<span style="background-color: black; color: white; font-family: Arial, Helvetica, sans-serif;"> -els organs limfàtics, com la melsa.</span><br />
<span style="background-color: black; color: white; font-family: Arial, Helvetica, sans-serif;"> -medul-la òssia.</span><br />
<span style="background-color: black; color: white; font-family: Arial, Helvetica, sans-serif;"> -els teixits limfàtics com les plaques de Peyer.</span><br />
<span style="background-color: black; color: white; font-family: Arial, Helvetica, sans-serif;"> -la limfa</span><br />
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<br />Anonymoushttp://www.blogger.com/profile/16063152450410662861noreply@blogger.com3