Question

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

Answer 1

Answer:

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

Answer:

It is necessary to separate oxygenated blood and deoxygenated blood in mammals and birds because , in deoxygenated blood , the blood is laden with Huge amount of CO2 , while if it is not separated the co2 and O2 mixes , thus the cells , tissue , organs of the body does not get necessary O2 for functioning ... results in fatigue conditions......