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Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birdsGuys don't spamming ❌❌I will report ur answer,If u will give Irrivalent answer |
Answer» It is necessary for them to separate oxygenated and de-oxygenated BLOOD so that their circulatory SYSTEM is more EFFICIENT and can maintain their CONSTANT body TEMPERATURE. |
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