What is it necessary to seprate oxygenated and deoxygenated blood in mammals and birds?
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it is important to separate oxygenatated and deoxygenated blood because human beings and birds are warm blooded animals therefore oxygen requirement is more in them.
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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 .
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