Kiwon lafiyaMagani

Bi adam zagayawa: tsarin da rawa a cikin jiki

Jini - yin sama da ciki yanayi na jikin mutum da kuma babban kai tsarin, kamar yadda ayyuka ba kawai nasu, amma kuma da Kwayoyin na rigakafi da tsarin. Jini Sunadaran da aka canjawa wuri zuwa duk kyallen takarda hormones, gina jiki da kuma oxygen, da kuma samar da goyon baya da zazzabi homeostasis.

A dangane da wannan ne da'ira na mutum jini wurare dabam dabam, ko kuma wajen, wani aikin tsarin, ciki har da zuciya da manyan tasoshin, jijiyoyi da kuma jijiyoyinmu na matsakaici da kuma kananan umarni, kazalika da capillaries cewa yin up da microcirculation. Su duka suna da nasu musamman tsarin da sunadaran da tsari. Saboda mafi girma dabbobi ne mai hudu gidajen zuciya, shi ne m rarrabe tsakanin manyan da kananan wurare dabam dabam na mutum. Bugu da kari, kuma ya ware kwakwalwa da kuma zuciya, domin suna da wasu na musamman fasali. A karo na farko da aka gano daga cikin dokokin general na wannan tsarin ya sanya William Harvey a farkon rabin na 17th karni, kuma baya da data suna bayansa kamar yadda enrichment na ilimi a fannin Anatomy da kuma Physiology, ya bayyana hemodynamic da rheological Properties na jini, kazalika da dabara sunadaran da da motsi ta hanyar tasoshin.

tsarin

Wurare dabam dabam na mutum ba zai iya zama ba tare da tsakiyar iko da wannan tsarin - da zuciya. Shi ne m, ko kuma wajen, cikin masallãci, murdede jiki, wanda daukawa karfi na ta contractions, a gaskiya, da muhimmancin da jini ya kwarara. Kuma a nan gaba taimakawa wajen wannan kuma yi tasoshi, ko kuma wajen, su murdede bango. A manyan da'irar jini wurare dabam dabam a cikin mutumin samar da trophic da numfashi kusan dukan jiki: da jiki, kuma wata gabar jiki, da kayan ciki. Yawancin lokaci tashi daga aortic baka bar kowa carotid jijiya (aa.carotis communis) da kuma brachiocephalic akwati (truncus brachiocephalicus), samar da kwakwalwa iko. Sauran rassan da babban jirgin ruwa, wanda za a fara a hagu ventricle, su ne biyu subclavian jijiya (aa.subclavia Dexter et daurin boye), sa'an nan - axillary (aa.axillaris) da kafada (aa.brachialis), samar da jini da hannuwanku. Gabobin da kogon ciki, kafafuwa da kuma ƙananan reshe trophism samu ta hanyar da ciki lakã. Ƙare tsari dabam dabam ƙananan kuma babba m jijiyoyinmu sunã gudãna a cikin dama atrium. Musamman software ne sauki, saboda a cikin Alveoli na jiki akwai daya daga cikin mafi muhimmanci matakai - gas musayar tsakanin capillaries da iska sacs a cikin abin da jini ya fito daga hagu ventricle ta hanyar da na huhu akwati, wadãtar da oxygen da kuma hasarar carbon dioxide. Sa'an nan ta kõma, zuwa ga zuciya cikin hagu ventricle na vv.pulmonales. Wannan tsarin da ke sa a kananan da'irar mutum jini wurare dabam dabam.

Sadarwa tare da sauran tsarin

Hakika, na muhimmancin gaske da kuma yanayin zuciya da jini, kamar yadda ya dogara a kan su da gudun da kuma amfani da trophic da numfashi duk sauran gabobin da kyallen takarda. Duk da haka, wani gida ko na tsari pathological tafiyar matakai a cikin jiki shafi wadannan mutum jini wurare dabam dabam da kuma zai iya sa atherosclerosis, hauhawar jini, da kara aza a kan zuciya. Saboda haka, ga dace aiki da wannan tsarin ne don haka da muhimmanci ga] aukacin kiwon lafiya na jiki.

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