Question

mammals and birds why it is necessary to separate oxygenated and deoxygenated blood​

Answer 1

Answer:

In mammals and birds there is a high high energy need because they have to maintain their body temperature.

So, there is a high energy need.

To fulfil this need pure oxygenated blood is required to produce more energy.

That's why in mammals and birds it is necessary to separate oxygenated and deoxygenated blood.

Answer 2

Answer:

Ans. It is necessary in mammals and birds to separate oxygenated and de-oxygenated blood because this makes their circulatory system is more efficient and helps in maintaining constant body temperature.