Describe the double circulation in human beings. Why is it necessary
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the blood passes twice through the heart is this singh ke complete journey around the system it is called double circulation system ..
It is necessary because they can tolerate some mixing of oxygenated and deoxygenated blood
It is necessary because they can tolerate some mixing of oxygenated and deoxygenated blood
prateekbh111:
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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.
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