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Capillaries play a role in regulating body temperature through the process of vasodilation and vasoconstriction. When the body heats up, capillaries near the skin surface widen (vasodilate), allowing more blood to flow and dissipating heat. Conversely, when the body is cold, capillaries constrict (vasoconstrict) to reduce blood flow and conserve heat. This mechanism helps maintain homeostasis and overall thermal balance in the body.

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1mo ago

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