Question

why is diffusion insufficient to meet the oxygen requirement in the body

Answer 1

Answer:

Explanation:

Since diffusion is a very slow process and it will require very large amount of time for oxygen to reach each and every part of the body. That is why diffusion is insufficient to meet the energy requirements of multicellular organisms like humans

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Answer 2

Explanation:

Diffusion is insufficient to meet the Oxygen requirements in the body of multi cellular organisms ,since they have-

● complex body design

● all the cells are not in direct contact with the environment.