Across
- 3. hormones
- 4. your heart and blood vessels
- 7. once you eat food
- 9. what pulls on bones
- 10. has to do with nerves
Down
- 1. this makes things leave your body
- 2. breathes in oxygen and out carbon dioxide
- 5. helps you reproduce
- 6. all your bones
- 8. helps fight sickness