Across
- 2. windpipe
- 3. Adam's Apple
- 8. Excess CO2 in the blood
- 9. Air remaining in the lungs after forceful exhalation
- 11. The process of gas exchange between the atmosphere and body cells
- 13. Measures volume of air moving in and out of lungs
- 14. Movement of air into the lungs
- 17. Nose bleeding
- 18. Sudden inspiration due to a spasm of the diaphragm
- 19. Not enough blood becoming oxygenated
Down
- 1. Reduces surface tension in the alveoli
- 4. increased breathing for a short time
- 5. Amount of air that enters the lungs through one cycle
- 6. Clusters of air sacs at the end of the bronchioles
- 7. Flaplike structure that allows air to enter larynx and prevents food from entering air passages
- 10. Space between the nasal cavity and larynx
- 12. Anterior nares
- 14. Nose hairs
- 15. When the mucus membrane becomes swollen and prevents vocal cords from vibrating freely
- 16. Oxygen deficiency