describe double circulation of blood in human beings why is it necessary
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Double circulation is a distinguishing characteristic of the human circulatory system. It is very significant as it allows for proper circulation of blood, without the mixing of the oxygenated and deoxygenated blood.
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in double circulation of blood the blood from the body completes its one cycle by crossing the heart two times in one cycle this is called double circulation of blood in human Transportation system
it is necessary to maintain and regulate the temperature of the body and to meet the high energy requirement rates of the human body
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