Why the blood rich in oxygen and the blood rich in carbon dioxide do not mis in mammals
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Explanation:
because heart has separate chambers and make sure that oxygen rich blood doesn't mixes with carbon dioxide rich
blood
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Separation of oxygenated and deoxygenated blood allows good supply of oxygen to the body . This system is useful in animals that have high energy requirement . Mammals and birds constantly need oxygen to get energy to maintain their body temperature constant .
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