Question

what is meant by double circulation???​

Answer 1

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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.

Answer 2

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The right side of the heart receives and pumps deoxygenated blood and left side of the heart receives and pumps oxygenated blood. This circulation is called double circulation.

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