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Why is it necessary yo separate oxgynated and deoxgynated blood in livng oranisum
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Why is it necessary yo separate oxgynated and deoxgynated blood in livng oranisum

User Pu
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Step-by-step explanation:

it is necessary in mammals and birds to separate oxygenated and deoxygenated blood because this makes their circulatory system more efficient and helps in maintaining a constant body temperature

User Ylovesy
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