Question

why is diffusion is insufficient to meet oxygen requirement for humans class 10​

Answer 1

Answer:

Diffusion is insufficient to meet the oxygen requirement of multicellular organisms like human because all the cells are not direct contact in environment and diffusion is a slow process

Explanation:

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Answer 2

Answer:

In multicellular organism such as man, the volume of the human body is big and hence, oxygen cannot diffuse into all the cells of human body . Hence , diffusion is insufficient to meet the oxygen requirements of multicellular organism like humans

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