Mene ne ayyuka na jijiyoyi?

Jini da kuma sauran jiki ruwaye kamar Lymph, da kuma nama ruwa, qumshi da ciki yanayi. Jini ne na musamman irin connective nama, saboda phylogenetically da developmentally shi ne kafa daga raka'a tayi connective nama - mesenchyme. Sistem sakulasan ne sistem na cibiyar sadarwa na jini da kuma zuciya cavities, ga wanda akwai akai da kuma ci gaba da zagayawa da jini. Menene jijiyoyi? A amsa wannan tambaya, ba za ka iya rubuta wani rubutun, saboda aikin da jijiyoyi ne bambance bambancen. Wannan kai na da muhimmanci abubuwa da kuma ilimin aiki mahadi da cewa samar da wutar lantarki da kuma kara ci gaba da dukkan Kwayoyin kuma tsokoki na jikin mutum, shi ne m gas musayar aiki ne domin su kula da osmotic matsa lamba da kuma gina jiki kasarun adadi, circulating a cikin jini. Don mutum jijiyoyi da ayyuka ma da dangantaka da wani isasshen rinjayar waje da ciki dalilai na rigakafi da martani da cewa zai kare jiki daga cututtuka jamiái da sauran kasashen waje dan hanya kowane takamaiman mutum abubuwa.

Sistem sakulasan ne sistem ba iya dauka wuri, idan ta kasance ba ga m, m ko'ina cikin rayuwar jini ya kwarara, da ake kira extracorporeal wurare dabam dabam. Zuciya tare da m jini (manyan jijiyoyi, veins, arterioles, capillaries da kuma venules), da kuma lymphatic tsarin dokoki guda jijiyoyin bugun gini tsarin na jikin mutum. The ayyuka na jijiyoyi ya hada da cire kayayyakin da hadawan abu da iskar shaka da kuma sauran halayen da faruwa a cikin tsari na metabolism, wanda ya zama mai hadarin gaske da kuma guba ga cell abubuwa, idan an ba excreted eleminirovat. Tsarin abubuwa na jini halitta humoral tsari , da kuma samar da cikakken iko a kan ayyukan da duk kayan ciki da kowane daga cikin tsarin.

Jini, a matsayin wani abu abu jijiyoyi kunshi sassa biyu: wani ruwa, ko jini, kazalika da bushe zakara kafa abubuwa (platelets, leukocytes da erythrocytes). A rabo daga wadannan kasarun adadi a kan talakawan ne 1: 1.5, kuma ya mallaki 40% Kashi jini da kuma corpuscles 60% dukan jini. Jini (ruwa rabo) ne mai matukar hadaddun da musamman nazarin halittu matsakaici, 90% na abin da yake ruwa. Sauran 10% na jini faruwa a sunadarai, amino acid, ma'adinai gidaje, glucose, buffer tsarin, hormones, narkar da gas, bitamin, enzymes, da dai sauransu

The aiki na jijiyoyi don samar da humoral rigakafi dangantawa da jini jini. Tare da gaisuwa ga kafa abubuwa dole a ce cewa suna da uku sosai daban-daban ayyuka: daga jan jini Kwayoyin - numfashi, a leukocytes - kariya a platelets - clotting.

A ja jini Kwayoyin dauke da wani muhimmin baƙin ƙarfe-dauke da pigment, da ake kira haemoglobin. Yana arna a cikin kai na oxygen daga waje iska da Kwayoyin, kuma sel carbon dioxide ne fitarwa zuwa waje muhalli. Akwai da dama siffofin fari da maikacin jini, da kuma kowane daga cikinsu yana da wani m aiki. Sun haifar da cell-sulhu tsakani rigakafi, a cikin gaira tasowa m pathological yanayin, wani sananne misali na wanda ke da cutar. Clotting ikon da tari Properties muhimmi ne kawai a platelets, ta karanci sa mahaukaci zub da jini, duka waje da ciki, da kuma wuce haddi zai iya sa jini clots cewa sanƙarar da lumen na jini da kuma toshe al'ada kwarara daga jini.

Abin da aiki na jijiyoyi, da rawar a rayuwar mutum shi ne undeniable.