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| Functions of Circulatory System |
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| The functions performed by the circulatory system in all animals are |
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| 1) Transport of nutrients like glucose, amino acids, vitamins, minerals |
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| 2) Transport of oxygen from the organs of respiration to the body cells. |
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| 3) Transport of carbon dioxide from the body cells to the exterior. |
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| 4) Transportation of nitrogenous wastes from the body cells to the organs of excretion. |
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| 5) Transportation of hormones from the endocrine glands to their specific target organs. |
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| 6) Transportation of water, hydrogen ions and chemical substances all over the body for their uniform distribution. |
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| 7) Transportation of heat from one region to another for homoeothermy. |
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| 8) Transportation of intermediate metabolites from one part of the body to another. |
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