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Tartibi gardishi khun, ikhroj va asabi mohiho

Hun moddai gizoii az devori rudayu meda guzashta va oksigeni az devorahoi galsama giriftaashro ba tamomi uzvhoi badan ravon karda, khujayrahoro az gizoyu orsigen tamin mekunad.

Markazi harakatdihandai khun dar ragho mushakhoi dil meboshad. Dili mohi az khaltachahoi mushakii dukhonagi (medacha va dahlez) iborat ast. Raghoe, ki khun ba vositai onho az dil ba hama uzvhoi badan meravad, arteriya nom dorand va raghoero, ki ba vositai onho khun ba dil jory meshavad, vena menomand. Huni venagi ba dahlezi dil merezad. Vaqte ki dahlezi dil kashish mekhurad, khun ba medacha meguzarad. Medacha kashish khurda, khun az dil ba arteriya meguzarad va on ba galsama omada, az oksigen ser meshavad, bad gazi karbonro khorij mekuyaad. Hun az galsama ba arteriyai takhtapusht guzashta, ba darozii sutunmuhra to dum kashol meebad va ba raghoi khurdtar taqsim meshavad.

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Raghoi az hama khurdu boriki khunro kapillyar menomem. Kapillyarho turmonand buda, ba vositai onho khun ba vena meguzarad va ba suyi dil ravon meshavad.

Gayr az gazi karbon, ki az galsama berun meshavad, boz moddahoi digari noloeim judo shuda, bo uzvhoi ikhroj — gurdaho rafta, ba shakli peshob khorij meshavand.

Du gurdai Mohi misli lentai surkh dar boloi kovokii badan joy giriftaast. Peshob az daruni gurda guzashta, ba peshobdon merezadu bo rohi maqad ba berun mebaroyad.

Sokhti markazii asabi mohi shakli naychai kovokro dorad, ki nugi peshi on gafs shuda, ba magzi cap mubaddal shudaast. Sokhti markazii asabro ustukhonbandi kosai cap va davomi harommagzro sutuniuhra muhofizat mekunad. Magzi sari mohi az qismhoi magzi pesh, magzi miyona, magzcha, magzi darozruya va harommagz iborat ast.

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