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25-03-2020
Biology

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These thin-walled vessels are the only ones through which exchanges are made between body cells and blood.

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25-03-2020

Answer:Capillaries

Explanation: Capillaries are tiny, thin walled vessels that form a network to take blood through the organs and other body tissues. The dense networks of capillaries present a large surface area, which allows materials to be exchanged between body cells and the blood rapidly.

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