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