Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans
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Answer:
diffusion is a slow proces
Explanation:
this means time taken for oxygen to circulate to all body is more
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diffusion insufficient to meet the oxygen required of multicellular organisms like humans because human have such a large body and all the cells are not directly linked to environment and also diffusion is slow process to cover a large distance in human body . diffusion is slow process to carry the distance between the gases exchange such as the sites where oxygen is required.
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