Question

Why is diffusion insufficient to
meet the oxygen requirements of multicellular organisms like
humans?​

Answer 1

Answer:

Hello my friend

Explanation:

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. Diffusion is too slow to cover the distance between the gas exchange surface and the sites where the oxygen is required.

Answer 2

Answer:

because in diffusion only a samll amount of oxygen is transfered that too in cell-by-cell manner so that multicellular organisms have millions of cell wich cant be provided with enough ampunt of oxygen also it is a very slow process

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