Why it is necessary to separate oxygenated and deoxygenated blood in blood and birds?
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ANSWER :
It is necessary to seperate to prevent the mixing of oxygenated and deoxygenated blood in the heart of humans and birds as they are warm blooded organisms.
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Explanation:
It is necessary in mammals andbirds 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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