Across
- 3. the skin below the nail
- 5. the upper layer of skin
- 7. makes melanin
- 8. makes skin soft and waterproof
Down
- 1. our largest organ
- 2. cells that help the body fight infection
- 4. the hard outer layer of the nail that protects the shaft
- 6. sac-like pit in the skin from which hair grows from