Across
- 3. The process of taking air into the lungs.
- 7. Tiny air sacs in the lungs where gas exchange occurs.
- 9. The process of releasing air from the lungs.
- 10. The tube that carries air to the lungs.
Down
- 1. Small branches of bronchi inside the lungs.
- 2. Tube that divides into bronchi.
- 4. Part of the respiratory system where air enters first.
- 5. The large muscle at the base of the chest cavity.
- 6. Dome-shaped muscle that helps in breathing.
- 8. The two organs used for breathing.