Question

what is the advantage of double circulation in mammals

Answer 1

Explanation:

This led to separation of oxygenated and deoxygenated blood which led to help in organism with more need of energy because oxygenated blood supplies more oxygen & the organism do its work more efficiently.

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Answer 2

Answer:

Importance of double circulation :

It prevents the mixing of oxygenated and deoxygenated blood .Therefore, all the body parts receive an efficient supply of oxygenated blood . This is beneficial for animals such as mammals and birds which have high energy needs in order to maintain their body temperature.

In some animals the body temperature depends on the temperature in the environment .Such animals like amphibians and many reptiles have three - chambered hearts .They can tolerate some mixing of oxygenated and deoxygenated blood . This is termed as incomplete double circulation .