What do you mean by double circulation? Explain it's importance in human beings.
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There are two loops in which blood is circulated. One loop is oxygenated and the other is de-oxygenated. This double circulatory system is important because it ensures provision of oxygenated blood to the muscle and not a mixture of oxygenated and de-oxygenated blood.
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Double circulation is a process in which the blood goes through the heart twice that is each time during circulatory cycle.
Explanation:
Its importance is :
1) its helps in regulating the body temperature
2) it also helps in seperation of oxygenated and deoxygenated blood.
It is found in humans and mammals.
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