Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?
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Explanation:
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.
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Mammals and birds are warm-blooded animals, so they constantly need energy in order to maintain their body temperature. Due to this high energy need, they require more oxygen. Thus, it is important that their oxygenated blood should not get mixed up with deoxygenated blood in order to make circulatory system much more efficient.
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