Предмет: Биология, автор: kseniy200416

почему при ранениях человек не теряет всю кровь?

Ответы

Автор ответа: YamschikKirill

2

Объяснение:

это из-за тромбоцитов. Когда кровь из раны вытекает на кожу, тромбоциты разрушаются, а их ферменты попадают в плазму крови. При наличии солей кальция и витамина К плазменый белок фибриноген образует нити фибрина. Из за этого клетки крови застревают в них и образуется тромб. Он-то и не дает крови вытекать дальше

kseniy200416: Спасибо))))

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