Question

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

Answer 1

$\huge{\mathcal{\blue{\underline{\underline{\pink{HeYa!!}}}}}}$

${\large{\purple{\underline{\mathbb{ANSWER}}}}}$

Diffusion is insufficient to meet the oxygen requirement of multicellular organisms like human because all the cells are not in direct contact with the environment so each and every cell will not get oxygen by diffusion also it 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

Hope this will help you if it HELPS then plz mark my answer as BRAINLIEST.

And remember to always keep a smile on face:)

$<marquee>THANKS</marquee>$

Answer 2

Answer:

diffusion is unable to meet oxygen requirements of multi-cellular organisms like human because diffusion is slow process.

Explanation:

this means that the time taken to oxygen to circulate to all body cells is more