Question

Why the human heart is called a double pump

Answer 1

Explanation:

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It is called a double circulatory system because blood passes through the heart twice per circuit. The right pump sends deoxygenated blood to the lungs where it becomes oxygenated and returns back to the heart. The left pump sends the newly oxygenated blood around the body.

Answer 2

Answer:

Human heart is double pump since double circulation takes place. One side pumps blood to left and the other to right