Question

why is it necessary to separate 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

the meaning of the oxygenated is : the blood which is filtered and pure

where as the meaning of deoxinated blood is :the blood which has not participated in filter

this says that we need only oxinated blood


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