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Biology 17 Online
OpenStudy (anonymous):

Why do capillaries need to be thin walled?

OpenStudy (emogirl100):

The exchange of oxygen and carbon dioxide takes place through the thin capillary wall.

OpenStudy (emogirl100):

was that good

OpenStudy (insa):

the exchange of these substances occurs due to diffusion and because of capillaries being thin walled, diffusion can take place at a faster rate

OpenStudy (animallover8):

emo is correct

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