Across
- 4. the passage for air
- 6. the gas
- 7. a tube about for 4 inches long
- 10. what u inhale and exhale with
- 11. the thing that collects the air
- 12. These are the small air tubes that connect the bronchus to the alveoli
Down
- 1. the muscle that is responsibe for deflating and inflating
- 2. the bones undearneath you chest
- 3. what keeps your cells alive
- 4. These are the small air tubes that connect the bronchus to the alveoli
- 5. the thing that keeps you alive
- 8. the small thin blood vessiles
- 9. the area of greater concentration to an area of lower concentration.