why is it necessary to separate oxygenated and deoxygenated blood by mammals and birds
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Explanation:
it is necessary to separate oxygenated n deoxygenated blood becoz both of them have different requirements n if they they will get separated then the whole system will get disturbed.
anushika2004:
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Answer:
By the sense of your question it has no such nessecity but to commemorate the high oxygen demand the biological scenario it becomes necessary to separate them so that new space are available to carry more oxygen. Mostly deoxygenated blood is containing metabolic waste but oxygenated blood doesn't thus they require to be separated as this metabolic waste are toxic towards our body.
Lastly we are endothermic organisms thus we have specialized 4 chambered heart.
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