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Integumentary System
| Term | Definition |
|---|---|
| integumentary system | hair, skin, nails |
| sweat glands | help regulate body temperature |
| melanin | gives skin and hair color |
| epidermis | top layer of skin |
| keratin | in epidermis; makes skin tough |
| dermis | thicker layer under the epidermis |
| collagen | in the dermis; make skin strong |
| hair follicle | only living part of hair |
| cancer | does genetic damage to skin |
| acne | too much oil secreted |
| purpose of melanin | absorb UV from the sun |