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What is one of the ways in which the skin cools the body?

creating extra keratin

decreasing the body's melanin

sending more collagen to the cells

dilating surface blood vessels

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Ddilating sureface blood vessels

When you're out in cold weather, your skin triggers shivering so the blood vessels will contract and keep you as warm as possible. But if there's a heat wave, you'll sweat to increase the blood flow to the capillaries, which in turn increases sweating. This process cools you off as the water evaporates from your skin.

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