Question

What is double circulation in humanbeings?Why is it necessary?

Answer 1

During a single cycle blood goes twice in the heart which is known as double circulation. It is necessary in human being to separate oxygenated and de-oxygenated blood because this makes their circulatory system is more efficient and helps in maintaining constant body temperature.

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Answer 2

hey buddy here is your answer :---

BLOOD CIRCULATION

during a single circulation blood goes twice through the heart , it us known as double circulation.

the majority of mammal utilize double circulation system...


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