Biology, asked by stu10rithikraj, 9 months ago

Define double circulation.Why is double circulation of blood necessary in human beings ?

Answers

Answered by harsinij123

Answer:

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

Explanation:

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Answered by Anonymous

Answer:

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 more efficient and helps in maintaining constant body temperature.

Explanation:

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