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denis-greek [22]
3 years ago
14

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

Biology
1 answer:
Dmitry [639]3 years ago
7 0

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

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