DK Clip Art

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Images 23 of 165 - Hot skin
    Hot skin
Description:
The skin is used to regulate the temperature of the body. When the body is hot, hairs lay flat to avoid insulating the skin with trapped air. Sweat glands produce sweat, with the aim of losing heat via evaporation, and blood vessels expand in an effort to lose heat via convection. This is known as vasodilation.