Across
- 3. Connect bones
- 5. Helps the body move
- 6. Keep body together
- 7. It can keep you warm and is produced by eating
- 8. The organ that is vital to your breathing
- 10. Process in which the cells obtain energy
Down
- 1. The building block of living things
- 2. System that breaks down food
- 4. Connects muscle to bone
- 9. First site of digestion