Across
- 4. skin below the nail
- 7. a large part of the nail
- 8. cells that make melanin
Down
- 1. the protein that makes up your hair and
- 2. cells that make keratin
- 3. the whitish crescent-shaped area at the base of the nail
- 5. tough protective layer of the skin
- 6. cells that multiple to create tissue under the skin that that end up hardening to form stuff like nails