Question

(I) explain how the separation of oxygenated and deoxygenated blood is useful in humans?
(II) Why is double circulation of blood necessary in humans?

Answer 1

1)When oxygenated and deoxygenated blood are differentiated then it probably becomes more useful for any kind of body as we can have any differentiating reasons and advantage
2)A human is mamel having 4 chamber heart so double circulation is more necessary and suitable option

Answer 2

(I) 1.High energy requirements of warm blooded animals (ie, humans)
2.To maintain constant body temperature
3.Allows more efficient supply of O2 to human cells
(II) It is necessary to do so to maintain body temperature in humans and without double circulation body tissues would not receive oxygen .
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