Across
- 3. This lets you have children
- 6. It uses muscles
- 7. It involves the skin
- 8. It involves your heart
- 9. System for bones.
- 10. It involves using your small
Down
- 1. It involves your tonsil
- 2. It involves the lungs
- 4. It involves using the blatter
- 5. Made of your nerves.