Question

9. Why is blood needed by all the parts of a body?
in short fast
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Answer 1

Blood is needed by all the parts of the body because: (i)It carries oxygen to all the parts of the body and also carries carbon dioxide back to the lungs. (ii) It carries digested food to various parts of the body for absorption. (iii) It contains platelets which help in the clotting of blood.

Answer 2

Answer:

blood bring Oxygen and and nutritions to all the parts of a body. blood carry carbon dioxide other waste material to the lungs, kidney, and digestive system, to be removed from the body. blood also fights infections and carry hormones around the body.

Explanation:

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