Question

Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans?
sapna to apka pure hone se rha..
to behtar ye sapna dekhna aap chor de..
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Answer 1

Answer:

Diffusion is unable to meet the oxygen requirements of multi-cellular organisms such as humans because diffusion is one of the slow processes. That is a lot of time is required for oxygen to circulate to all the cells of the body. Therefore, through diffusion, it becomes difficult for oxygen to reach all the cells.

Answer 2

Answer:

Diffusion is unable to meet the oxygen requirements of multi-cellular organisms such as humans because diffusion is one of the slow processes. That is a lot of time is required for oxygen to circulate to all the cells of the body. ... Therefore, through diffusion, it becomes difficult for oxygen to reach all the cells.