why is diffusion insufficient to meet the oxygen requirments of multicelluar organisms like human
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diffusion is insufficient to meet the oxygen requirements as it is a very slow process, when the oxygen will reach out to the cell they will be died.
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In multicellular organisms like humans, all the body cells are not in direct contact with the surrounding environment . Thus , every cell of the body will not get oxygen as by the process of diffusion from the environment .
Therefore diffusion is insufficient to meet
the oxygen requirements of multicellular
organisms .
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