Across
- 6. the space next to the left lung where the heart sits
- 9. area below the pharynx and above the trachea
- 10. inflamed bronchial tubes reducing air entering the lungs
- 13. type of fluid lubricating the lungs
- 15. vocal cords
- 17. the way oxygen moves into the blood
- 20. measuring of air volume moving in and out of lungs
- 22. the gas that enters the circulatory system via alveoli
- 23. number of lobe the right lung has
Down
- 1. flap that closes during swallowing
- 2. muscle allowing breathing
- 3. space behind the nasal cavity
- 4. bones in the nasal cavity
- 5. hairs that filter dust and particles that are breathed in
- 6. gas that exits the circulatory via alveoli
- 7. number of lobes the left lung has
- 8. air sacs where gases are exchanged
- 11. inability to breathe normally
- 12. what the alveoli attach to
- 14. spaces in the nasal cavity
- 16. substance that keeps your alveoli from collapsing
- 18. name for your windpipe
- 19. too low of an oxygen level in tissues and organs
- 21. are in brain where groups of neurons control breathing