Science, asked by shadab31, 1 year ago

Define double circulation in human? Why is it necessary?

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Answered by Arwazkhan

2

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.

Answered by 90jaanwegmailcom1

1

this is your answer definition and necessity

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