Question

why is it necessary to seperate oxygenated and deoxygenated blood in mammals and birds!

Answer 1

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.

Answer 2

Separation of oxygenated and deoxygenated blood allows good supply of oxygen to the body . This system is useful in animals that have high energy requirement . Mammals and birds constantly need oxygen to get energy to maintain their body temperature constant .