Question

Why is diffion insufficient to meet oxygen requirements of multi cellular organisms like humans

Answer 1

Answer: diffusion is a very slow process.

Explanation:

Answer 2

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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.

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