describe double circulation in human beings? why is it necessary?
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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
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Answer:the process of purification of blood in the heart is called double circulation because the heart is divided into two parts by scrotum in which 1 chamber consists of oxygenated and other consist of deoxygenated blood this process is called double circulation.
It is required because the deoxygenated blood and oxygenated blood not to mix
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