Question

why is blood needed by all parts of body
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Answer 1

Answer:

Blood brings oxygen and nutrients to all the parts of the body so they can keep working. Blood carries carbon dioxide and other waste materials to the lungs, kidneys, and digestive system to be removed from the body. Blood also fights infections, and carries hormones around the body.

Explanation:

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Answer 2

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.

(iv) It helps in maintaining constant body temperature.

(v) It transports hormones and help in fighting the body with germs and bacteria.