\u0130nsanda dola\u015f\u0131m sistemini olu\u015fturan organlar;kalp,atardamarlar, toplardamarlar ve k\u0131l\u00e7al damarlard\u0131r.
\nA-KALP
\n\u0130nsan kalbi d\u00f6rt oda\u00e7\u0131kl\u0131d\u0131r.\u00dcst oda\u00e7\u0131klara kulak\u00e7\u0131k,alt oda\u00e7\u0131klara kar\u0131n\u00e7\u0131k ad\u0131 verilir.Kalbin sa\u011f b\u00f6l\u00fcm\u00fcnde, sa\u011f kulak\u00e7\u0131k ve sa\u011f kar\u0131n\u00e7\u0131k bulunur.Sa\u011f kulak\u00e7\u0131\u011fa \u00fcst ana toplar damar ile alt ana toplar damar ba\u011flan\u0131r.Sa\u011f kar\u0131\u00e7\u0131kdan ise ak\u00e7i\u011fer atardamar\u0131 \u00e7\u0131kar.Sa\u011f kulak\u00e7\u0131k ile sa\u011f ka\u0131n\u00e7\u0131k aras\u0131nda \u00fc\u00e7l\u00fc kapak\u00e7\u0131k (trikusbit) bulunur.
\nKalbin sol b\u00f6l\u00fcm\u00fcnde, sol kulak\u00e7\u0131k ve sol kar\u0131n \u00e7\u0131k bulunur.Sol kulak\u00e7\u0131\u011fa ak\u00e7i\u011ferden gelen d\u00f6rt ak\u00e7i\u011fer toplar damar\u0131 a\u00e7\u0131l\u0131r.Sol kar\u0131nc\u0131ktan aort atardamar\u0131 \u00e7\u0131kar.Sol kulak\u00e7\u0131k ile sol kar\u0131n\u00e7\u0131k aras\u0131nda ikili kapak\u00e7\u0131k(bik\u00fcsbit) bulunur.
\nSa\u011f kar\u0131nc\u0131ktan \u00e7\u0131kan ak\u00e7i\u011fer atardamar\u0131 sol kar\u0131n\u00e7\u0131kdan \u00e7\u0131kan aort damar\u0131 ba\u015flang\u0131c\u0131nda yar\u0131m ay \u015feklinde \u00fc\u00e7l\u00fc kapak\u00e7\u0131klar(sigma) bulunur.Kalpdeki kapak\u00e7\u0131klar kan\u0131n tek y\u00f6nde ilerlemesini sa\u011flar.Kalbin yap\u0131s\u0131nda d\u0131\u015ftan i\u00e7e do\u011fru perikard, miyokard ve endokard olmak \u00fczere \u00fc\u00e7 farkl\u0131 tabaka vard\u0131r.Sol kar\u0131\u00e7\u0131kta miyokard daha kal\u0131nd\u0131r.Aort miyokard tabakas\u0131nda k\u0131l\u00e7allara ayr\u0131l\u0131r.Kalbi besleyen bu damarlara koroner damarlar denir.
\nKalbin \u00e7al\u0131\u015fma mekanizmas\u0131:Kalbin \u00e7al\u0131\u015fmas\u0131 ,kalp kas\u0131n\u0131n kas\u0131lmas\u0131(sistol) ,gev\u015femesi (diastol) ve dinlenmesi \u015feklinde olur.Kalp ya hep ya hi\u00e7 prensibine g\u00f6re \u00e7al\u0131\u015f\u0131r.\u00c7al\u0131\u015fmas\u0131 otonom sinirlerle kontrol edilir.Kulak\u00e7\u0131klar\u0131n ve kar\u0131n\u00e7\u0131klar\u0131n kas\u0131l\u0131p gev\u015femesi birbirine z\u0131td\u0131r.
\nPara sempatik sisteme ait vagus sinirleri kalp at\u0131\u015f h\u0131z\u0131n\u0131 ve kas\u0131lma kuvvetini azalt\u0131rlar.Sempatik sisteme ait sinirler ise kalp at\u0131\u015f h\u0131z\u0131n\u0131 art\u0131r\u0131r ve kas\u0131lma kuvvetini y\u00fckseltir.Kar\u0131nc\u0131klarda kas\u0131lman\u0131n kuvvetli olmas\u0131 gerekti\u011finden sempatik sinirler bol, parasempatik sinirler \u00e7ok az bulunur.
\nK\u0131lcal damarlarda, kan ak\u0131\u015f h\u0131z\u0131 sabittir.Kan bas\u0131nc\u0131 atardamar y\u00f6n\u00fcnden toplardamar ba\u015flang\u0131c\u0131na do\u011fru azal\u0131r.<\/p>\n
Kalbin \u00e7al\u0131\u015fmas\u0131n\u0131 h\u0131zland\u0131ran etkenler:
\n1-Omurilik sogan\u0131ndan \u00e7\u0131kan otonom sisteme ait sempatik sinirlerin uyar\u0131lmas\u0131.
\n2-Epinefrin ve tiroksin hormanlar\u0131n\u0131n artmas\u0131.
\n3-Kanda CO2 miktar\u0131n\u0131n artmas\u0131
\n4-y\u00fcksek S\u0131\u00e7akl\u0131\u011f\u0131n etkisiyle kalbin sino atrial d\u00fc\u011f\u00fcm\u00fcn\u00fcn uyar\u0131lmas\u0131.
\n5-Kafein ,\u00e7ay gibi kimyasallar\u0131n kullan\u0131lmas\u0131.
\nKalbin \u00e7al\u0131\u015fmas\u0131n\u0131 yava\u015flatan etkenler:
\n1-Parasempatik sisteme ait vagus sininrlerinin uyar\u0131lmas\u0131
\n2-Asetil kolin ve nor adrenalin hormonlar\u0131n\u0131n artmas\u0131.<\/p>\n","protected":false},"excerpt":{"rendered":"
\u0130nsanda dola\u015f\u0131m sistemini olu\u015fturan organlar;kalp,atardamarlar, toplardamarlar ve k\u0131l\u00e7al damarlard\u0131r. A-KALP \u0130nsan kalbi d\u00f6rt oda\u00e7\u0131kl\u0131d\u0131r.\u00dcst oda\u00e7\u0131klara kulak\u00e7\u0131k,alt oda\u00e7\u0131klara kar\u0131n\u00e7\u0131k ad\u0131 verilir.Kalbin sa\u011f b\u00f6l\u00fcm\u00fcnde, sa\u011f kulak\u00e7\u0131k ve sa\u011f kar\u0131n\u00e7\u0131k bulunur.Sa\u011f kulak\u00e7\u0131\u011fa \u00fcst ana toplar damar ile alt ana toplar damar ba\u011flan\u0131r.Sa\u011f kar\u0131\u00e7\u0131kdan ise ak\u00e7i\u011fer atardamar\u0131 \u00e7\u0131kar.Sa\u011f kulak\u00e7\u0131k ile sa\u011f ka\u0131n\u00e7\u0131k aras\u0131nda \u00fc\u00e7l\u00fc kapak\u00e7\u0131k (trikusbit) bulunur. Kalbin sol … Devam\u0131n\u0131 oku…<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44,7],"tags":[50,48],"class_list":["post-404","post","type-post","status-publish","format-standard","hentry","category-biyoloji","category-dn","tag-anla","tag-daha"],"_links":{"self":[{"href":"https:\/\/www.sorubak.com\/blog\/wp-json\/wp\/v2\/posts\/404","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sorubak.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sorubak.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sorubak.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sorubak.com\/blog\/wp-json\/wp\/v2\/comments?post=404"}],"version-history":[{"count":0,"href":"https:\/\/www.sorubak.com\/blog\/wp-json\/wp\/v2\/posts\/404\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.sorubak.com\/blog\/wp-json\/wp\/v2\/media?parent=404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sorubak.com\/blog\/wp-json\/wp\/v2\/categories?post=404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sorubak.com\/blog\/wp-json\/wp\/v2\/tags?post=404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}