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Describe dounble circulation in human beings.why …

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Describe dounble circulation in human beings.why is it necessary

Posted by Jiaur Choudhury 6 years ago

CBSE > Class 10 > Science

2 answers

Khushi Singh 6 years ago

It is necessary in human being to separate oxygenated & deoxygenated blood because this make their circulatory system is more efficient & helps in maintaining constant body temperature.

1Thank You

Shreya ... 6 years ago

When blood goes through the heart twice during each cycle in vertebrates, it is called double circulation.

2Thank You

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CBSE > Class 10 > Science