Question

describe double circulation in human beings why is it necessary​

Answer 1

Answer:

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. Hence, this system ensures efficient supply of oxygenated blood to the muscles.

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Answer 2

Answer

• 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.

• This system ensures efficient supply of oxygenated blood to the muscles.

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