Why is diffusion insufficient to meet the oxygen requirement of mulit- cellular organisms like humans?
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Answer:
it takes more time and human or multicellular need oxygen in less time
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Answer:
hi mate....
....
Unicellular organisms use diffusion to transport oxygen as the only cell is in contact with the environment..
However not all cells are in contact with the environment in multicellular organisms....
That is why diffusion is insufficient to meet oxygen requirements of multi cellular organisms...
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