Question

why is diffusion insufficient to meet the oxygen requirement of multi-cellular organisms like humans

PLEASE ANSWER

Answer 1

Answer:

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

Explanation:

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Answer 2

Answer:

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