Across
- 3. Wind pipe, carries air from larynx- to lungs
- 5. Air is forced out of the mouth automatically.
- 7. Diaphragm contracts causing the lungs to expand
- 9. Each tube splits into tiny tubes
- 10. cavity Contains the nose and the mouth, warms the air
Down
- 1. Two tubes split off from trachea
- 2. Voice box
- 4. Transports air, food, and water
- 6. Tiny sacks, air sacks
- 8. Organ that exchanges gases