Many animals with double circulatory systems have higher metabolic rates than those with single circulatory systems. Suggest an explanation for this.
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Animals with double circulatory system have higher metabolic rates bcz due to double circulatory system there is no chance of mixing of O2 with CO2 . and only oxygen will reach to the every parts of the body . as double circulatory system is in only those who have 4 chambered heart
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Ans:- Animals with double circulatory system have higher metabolic rates bcz due to double circulatory system there is no chance of mixing of O2 with CO2 . and only oxygen will reach to the every parts of the body . as double circulatory system is in only those who have 4 chambered heart . so there is partition
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