Question

what is a double circulation in human heart​

Answer 1

Explanation:

Double Circulation: In the human heart, blood passes through the heart twice in one cardiac cycle.This type of circulation is called double circulation. Double circulation ensures complete segregation of oxygenated and deoxygenated blood which is necessary for optimum energy production in warm-blooded animals.

Answer 2

Answer:

during a single blood goes twice in the heart which is known as double circulation .

Explanation:

It is necessary in human being to separate oxygenated and deoygenated blood because this make their circulatory system is more efficient and helps in maintaing constant body temperature

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