Across
- 4. control the body using hormones
- 8. exchange oxygen & carbon dioxide with the environment (breathing)
- 9. enable movement of the body
- 10. control the body by sending signals
Down
- 1. break down food into nutrients/energy
- 2. cover and protect the body from the environment
- 3. remove waste from the body
- 5. produce offspring
- 6. provide structure & support
- 7. transport oxygen and nutrients inside the body