Question

Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds ?​

Answer 1

Answer:

Answer: In birds and mammals have a double circulation system where both the oxygenated and deoxygenated blood maintains separate.

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They must separate oxygenated and de-oxygenated blood so that their circulatory system is more efficient and can maintain their constant body temperature

Answer 2

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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.