Question

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

Answer 1

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. plz mark my answer as brainliest

Answer 2

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