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Describe double circulation of blood in human beings |
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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. Thanks the blood passes through the human heart two times to supply once to the whole body. So, it is called Double Circulation of blood |
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