Across
- 3. Supply O2 and removes CO2
- 5. Sends signals to the body
- 8. Gives structure and protects organs
- 9. Functions the body
- 10. Breaks down food for nutrients
Down
- 1. Removes waste from the body
- 2. Controls the body
- 4. Protects skin
- 6. Keeps the body warm and helps it move
- 7. Produces offspring