Question

what is double circulation??​

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:

In short,Double circulation is the most efficient way of circulation found in all mammals. In this system, the blood flows through the heart twice.

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