1.

why is diffusion insufficient to meet the oxygen requirements of multi cellular organisms like humans?​

Answer»

Answer:

Explanation:

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. Diffusion, being a slow PROCESS will take a lot of time to CIRCULATE oxygen to all the body cells. Hence, diffusion is insufficient to meet the oxygen requirements of multicellular organisms LIKE humans.



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