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Why do capillaries need to be thin walled?

2 Answers

3 votes

Answer:

D on edge

Step-by-step explanation:

User Diogo Peres
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That's because one of the functions of capillaries is to transfer things such as oxygen, carbon dioxide, waste, or similar things, between cells. A thin wall enables these transfers to go easier because diffusion of them is easier. If the walls were thick then the process would last longer.
User Pwnna
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