Question

describe double circulation of blood in human beings. why it is necessary?​

Answer 1

Answer:

There are two loops in which blood is circulated. ... This double circulatory system is important because it ensures provision of oxygenated blood to the muscle and not a mixture of oxygenated and de-oxygenated blood. Hence, this system ensures efficient supply of oxygenated blood to the muscles.

Explanation:

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Answer 2

Answer:

Double circulation is that heart pumps the same blood two time one is deoxygenated and another time the oxygenated blood