Biology, asked by gegwgsd, 1 year ago

(ii) Why is double circulation of blood necessary in human beings?

Answers

Answered by DavidOtunga

To prevent the mixing of oxygenated and deoxygenated blood and to maintain a barrier or sheild the nutrients and waste products which might or can be harmful to humans.

Answered by ra132

To spread oxygen throughout the body. Through arteries and veins

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