Across
- 2. breaks down into glucose
- 7. Smaller than cells
- 8. Helps your muscles grow
- 9. exchanges oxygen and carbon dioxide
- 10. Comes from the air
Down
- 1. transports your molecules
- 3. Comes from starch
- 4. digests your food
- 5. Helps form protein
- 6. Can’t bee seen with naked eye