Why is blood meeded by all the parts of a body?
blood transports substance like digested food from the small intestine to the other parts of body so blood is needed by all the parts of body
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Blood is a specialized body fluid. It has four main components: plasma, red blood cells, white blood cells, and platelets. About 7 to 8 per cent of your total body weight is blood. An average-sized man has about 12 pints of blood in his body, and an average-sized woman has about nine pints.
Blood is needed by all the parts of the body because:
★It carries oxygen to all the body parts and carries carbon dioxide back to the lungs.
★It carries digested food to various parts of the body for absorption.
★It contains platelets that help in the clotting of blood.
★It helps in maintaining constant body temperature. ★It transports hormones and helps in fighting the body with germs and bacteria.
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