Question

what is double circulation
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Answer 1

Answer:

The human circulatory system is a double circulatory system. It has two separate circuits and blood passes through the heart twice: the pulmonary circuit is between the heart and lungs. the systemic circuit is between the heart and the other organs.

Explanation:

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Answer 2

Answer:

The heart receives deoxygenated blood from different parts of the body, and it pumps this blood to the lungs. ... Thus, the blood passes twice through the heart making one complete round through the body. This is called double circulation.

Explanation:

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