{"id":1659,"date":"2019-10-07T17:48:02","date_gmt":"2019-10-07T16:48:02","guid":{"rendered":"https:\/\/www.healthy-heart.org\/twoje-serce\/jak-dziala-serce\/"},"modified":"2020-02-14T11:05:08","modified_gmt":"2020-02-14T11:05:08","slug":"jak-dziala-serce","status":"publish","type":"page","link":"https:\/\/www.healthy-heart.org\/pl\/twoje-serce\/jak-dziala-serce\/","title":{"rendered":"Jak dzia\u0142a serce?"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4185 alignright\" src=\"https:\/\/cdn-endpoint-prev.azureedge.net\/healthy-heart\/2020\/02\/Polish-350x321.png\" alt=\"\" width=\"350\" height=\"321\" srcset=\"https:\/\/cdn-endpoint-prev.azureedge.net\/healthy-heart\/2020\/02\/Polish-350x321.png 350w, https:\/\/cdn-endpoint-prev.azureedge.net\/healthy-heart\/2020\/02\/Polish-1024x940.png 1024w, https:\/\/cdn-endpoint-prev.azureedge.net\/healthy-heart\/2020\/02\/Polish-200x184.png 200w, https:\/\/cdn-endpoint-prev.azureedge.net\/healthy-heart\/2020\/02\/Polish-768x705.png 768w, https:\/\/cdn-endpoint-prev.azureedge.net\/healthy-heart\/2020\/02\/Polish-1536x1409.png 1536w, https:\/\/cdn-endpoint-prev.azureedge.net\/healthy-heart\/2020\/02\/Polish-2048x1879.png 2048w, https:\/\/cdn-endpoint-prev.azureedge.net\/healthy-heart\/2020\/02\/Polish-478x439.png 478w, https:\/\/cdn-endpoint-prev.azureedge.net\/healthy-heart\/2020\/02\/Polish-506x464.png 506w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/>Serce dzieli si\u0119 na dwie cz\u0119\u015bci rozdzielone \u015bcian\u0105 mi\u0119\u015bniow\u0105 (przegrod\u0105). Po ka\u017cdej stronie znajduje si\u0119 jedna komora, a nad ni\u0105 przedsionek. Prawa cz\u0119\u015b\u0107 serca otrzymuje ubog\u0105 w tlen krew z wszystkich narz\u0105d\u00f3w cia\u0142a, kt\u00f3r\u0105 dostarczaj\u0105 naczynia krwiono\u015bne zwane \u017cy\u0142ami. Pompuje t\u0119 krew do p\u0142uc, gdzie zostaje ona wzbogacona tlenem. Lewa cz\u0119\u015b\u0107 serca otrzymuje krew z p\u0142uc i pompuje j\u0105 do wszystkich narz\u0105d\u00f3w cia\u0142a przez naczynia krwiono\u015bne zwane t\u0119tnicami. Krew najpierw p\u0142ynie do najwi\u0119kszej t\u0119tnicy, zwanej aort\u0105, a z niej do mniejszych t\u0119tnic, kt\u00f3re unaczyniaj\u0105 wszystkie narz\u0105dy i tkanki cia\u0142a. Pomi\u0119dzy przedsionkami a komorami znajduj\u0105 si\u0119 zastawki przedsionkowo-komorowe (zastawka mitralna po lewej, zastawka tr\u00f3jdzielna po prawej stronie). Zapobiegaj\u0105 one przep\u0142ywowi krwi w niew\u0142a\u015bciwym kierunku. Zastawka p\u0142ucna i zastawka aortalna kontroluj\u0105 wyp\u0142ywanie krwi odpowiednio z prawej i z lewej komory. Zastawki otwieraj\u0105 si\u0119 po osi\u0105gni\u0119ciu okre\u015blonego ci\u015bnienia w komorze, umo\u017cliwiaj\u0105c przep\u0142yw krwi do p\u0142uc (z prawej komory) lub do aorty i wszystkich narz\u0105d\u00f3w cia\u0142a (z lewej komory).<\/p>\n<p>Serce jest mi\u0119\u015bniem, kt\u00f3ry pompuje krew od 60 do 80 razy na minut\u0119 przez ca\u0142e \u017cycie cz\u0142owieka. Do prawid\u0142owego dzia\u0142ania potrzebuje zatem du\u017co tlenu i sk\u0142adnik\u00f3w od\u017cywczych. Krew z tymi sk\u0142adnikami i tlenem dostarczaj\u0105 do serca t\u0119tnice wie\u0144cowe.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Serce dzieli si\u0119 na dwie cz\u0119\u015bci rozdzielone \u015bcian\u0105 mi\u0119\u015bniow\u0105 (przegrod\u0105). Po ka\u017cdej stronie znajduje si\u0119 jedna komora, a nad ni\u0105 przedsionek. Prawa cz\u0119\u015b\u0107 serca otrzymuje ubog\u0105 w tlen krew z wszystkich narz\u0105d\u00f3w cia\u0142a, kt\u00f3r\u0105 dostarczaj\u0105 naczynia krwiono\u015bne zwane \u017cy\u0142ami. Pompuje t\u0119 krew do p\u0142uc, gdzie zostaje ona wzbogacona tlenem. Lewa cz\u0119\u015b\u0107 serca otrzymuje krew z [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1226,"parent":1652,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[51],"tags":[],"class_list":["post-1659","page","type-page","status-publish","has-post-thumbnail","hentry","category-twoje-serce"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Jak dzia\u0142a serce - Healthy-Heart.org<\/title>\n<meta name=\"description\" content=\"Dowiedz si\u0119, jak dzia\u0142a serce, jaka jest jego rola i jakie t\u0119tno jest uznawane za zdrowe.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.healthy-heart.org\/pl\/twoje-serce\/jak-dziala-serce\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak dzia\u0142a serce - 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