Why is diffusion insufficient to meet the oxygen requiement of multi cellular organisms like humans
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Answer:
Multicellular organisms such as human posses complex body design. They have specialised cells and tissues for performing various function of
the body such as intake of food and oxygen . Unlike unicellular organisms , multicellular organisms cells are not in direct contact with the outside environment. Therefore diffusion can't meet the oxygen requirement.
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Explanation:
Diffusion, being a slow process will take a lot of time to circulate oxygen to all the body cells. Hence, diffusion is insufficient to meet the oxygen requirements of multicellular organisms like humans.
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