< Wikijunior:Biology < Systems
Skin
The Integumentary System
The Integumentary System is the system of the body made up of the skin, the nails, and the hair.
Skin keeps you cool by sweating. It also protects you by keeping things out of your body. The hair on your body keeps you warm. Skin also holds nerves that we use to touch and hold and kiss. Your nails help you pick up things. The skin is the largest organ of the human body.
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