Asked by SHRUTI

WHY IS DIFFUSION INSUFFICIENT TO MEET THE OXYGEN RECQUIREMENT OF MULTICELLULAR ORGANISMS LIKE US?

Answers

Answered by sara
that question would have been much more easier to read it it wasn't it capitalization.
Answered by Ian
Think of the organisms that use diffusion for gas exchange. Most of them have a very high surface area to mass ratio.

I'll give you a big hint, there's a relationship between speed of diffusion and the distance over which something is being diffused.
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