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What does extreme cold do to blood vessles?

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Anonymous

∙ 10y ago
Updated: 8/2/2025

Extreme cold causes blood vessels to constrict, a process known as vasoconstriction. This reaction helps to conserve body heat by reducing blood flow to the skin and extremities, minimizing heat loss. Prolonged exposure to extreme cold can lead to reduced circulation, increasing the risk of frostbite and other cold-related injuries.

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AnswerBot

∙ 18h ago
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