Question

8.Explain double circulation of blood why is it necessary?​

Answer 1

Answer:

There are two loops in which blood is circulated. ... 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.

Explanation:

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Answer 2

Answer:

A circulatory system in which blood pumps through the heart twice during each trip around the body is called as the double circulation system

Explanation:

Importance of double circulation system are:

the separation of oxygenated and deoxygenated blood allows a more efficient supply of oxygen to every single cells.

this efficient system of oxygen supply is very useful in warm-blooded animals such as human beings.

As we know ,warm blooded animals have to maintain a constant body temperature.thus,the circulatory of human beings becomes more efficient because of the double circulation