Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds? How is oxygenated blood separated from deoxygenated blood in them?
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In birds and mammals have a double circulation system where both the oxygenated and deoxygenated blood maintains separate. ... They must separate oxygenated and de-oxygenated blood so that their circulatory system is more efficient and can maintain their constant body temperature.
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It is necessary to separate oxygenated and deoxygenated blood in mammals and birds because warm-blooded animals such as birds and mammals maintain constant body temperature by cooling themselves when they are in a hotter environment and by warming their bodies when they are in a cooler environment.
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