Across
- 2. cells that protect your body against infection
- 3. Skin below nail
- 5. a sac-like pit in the skin from which the hair grows
- 6. a soft thickened bulb at the base of hair
- 7. The biggest organ in the body
- 8. protects your body against this
Down
- 1. makes melanin
- 4. a type of protein in your hair