Across
- 5. releases waste from the body
- 6. protects our head
- 7. anchor's the plant
- 8. biggest bone in our body
- 9. smallest bone in our body
Down
- 1. respiratory system
- 2. broadest bone in the human body
- 3. circulatory system
- 4. contract to become shorter
- 8. thinnest bone in the body