Skin, hair, and nails are made of similar types of cells. They form the outer layer of the body, called the integumentary (in-teh-gyoo-MEN-tah-ree) system. It protects everything inside the body.
Skin, hair, and nails do many jobs. They:
Other body systems rely on skin, hair, and nails to help them do their jobs:
Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.
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