Question

9. Why is blood needed by all the parts of a body?
plz answer in short about 2-3 lines​

Answer 1

Answer:

It carries oxygen to all the partsof the body and also carries carbon dioxide back to the lungs. It carries digested food to various parts of the body for absorption. It contains platelets which help in the clotting of blood.

Answer 2

Answer: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.

Explanation:

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.