Across
- 1. THe main gas exhaled during breathing(13 letters, 2 words)
- 4. The part of the brain controlling the rate of breathing ( 8 letters)
- 6. The process of air moving into the lungs (11 letters)
- 8. The muscle that contracts and flattens to allow inhalation (9 letters)
- 9. THe term for the maximum amount of air that can be exhaled after a deep breath (7 Letters)
- 10. THe muscles group that assists the diaphragm during forced inhalation (10 letters)
- 13. The air-filled sacs in the lungs where gas exchange occurs (7 letters)
Down
- 2. The small branches of the bronchi that lead directly to the alveoli (9 Letters)
- 3. The term for the pressue in th elungs during inhalation (6 letters)
- 5. A passive process when the diaphragm relaxes (10 Letters)
- 7. Tiny blood vessels surrounding the alveoli (9 letters)
- 11. The gas inhaled during breathing and is vital for life (6 letters)
- 12. The main tube that carries air to the lungs (8 letters)