Why is blood needed by all the parts of a body?
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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.
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Blood needed
Blood is actually a tissue that is made up of red blood cells, white blood cells, plasma, platelets and other components. The blood delivers oxygen and nutrients to the rest of the body and removes carbon dioxide and waste products from the body. ... And your heart pumps the whole blood volume every minute.
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