Question

Is human circulatory system open or closed ? Why?​

Answer 1

Answer:

human have closed circulation system

Answer 2

Answer:

human circulatory system is closed type.

Explanation:

there are two types of circulatory system open and closed. In open type of circulatory system the blood flows in the coelomic cavity of the organism and not in blood vessels .And the blood is pumped by the heart from the coelomic cavity. But in closed type of circulatory system the blood flows in blood vessels.

as in humans the blood flows in blood vessel therefore we have closed type of circulatory system.

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