Question

1. Why is diffusion insufficient to meet the oxygen like requirements of multi-cellular organisms like humans?​

Answer 1

QUESTION:

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

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. Besides, in humans oxygen requirement is more at cellular and tissue level.

Explanation:

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Answer 2

Answer:

The process of diffusion is considered to be insufficient in order to meet all the requirements of oxygen in the body of multicellular organisms because in multicellular organisms, there are number of cells present and all the cells are not directly in contact with their surrounding environment and thus the diffusion ...

Explanation:

Diffusion and osmosis are almost similar processes to each other except that in osmosis a semipermeable membrane is present through which movement of water molecules takes place.