why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans
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Answer:
Explanation:
All cells of our body are not in direct contact with the environment so it is impossible to meet the oxygen requirements by diffusion.
Also transporting oxygen through diffusion would take a long time.
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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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