Across
- 2. lung pressure increases
- 4. volume of air that remains in lungs
- 6. windpipe
- 7. cavity
- 9. dome-shaped muscle
- 11. allows food to enter esophagus
- 12. microscopic air sacs
- 13. tract
Down
- 1. lung pressure decreases
- 3. decreased airway volume
- 5. left and right
- 8. movement of diaphragm is limited
- 10. cavity