Across
- 2. Keep your body upright
- 4. What your cells do to make energy
- 5. Dioxide. What’s exhaled
- 8. A dome-shaped muscle under your lungs
- 9. Where your bones meet
- 11. Contracts and relaxes
- 12. Attached to your bones, are inelastic
Down
- 1. An organelle
- 3. Attached to your bones, are elastic
- 6. Soft bone tissue
- 7. A condition making it hard to move
- 10. What’s inhaled