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NemiM [27]
4 years ago
8

What would happen if capillaries were thicker?

Biology
1 answer:
slavikrds [6]4 years ago
6 0
If capillaries were thicker, nutrient and gas transfer would be much more difficult. Capillaries are only one cell thick so that it is easy for gases (oxygen and carbon dioxide), nutrients, and wastes to diffuse into and out of the blood. If they were thick, this diffusion would be much harder or impossible.
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