Across
- 5. anatomic space between base of tongue and epiglottis
- 8. most narrow portion of adult airway
- 10. moving air in and out of lungs
- 12. trachea, bronchioles, main bronchus, alveoli
- 16. process of exchanging oxygen and carbon dioxide
- 17. amount of air moved in or out in one breath
- 19. requires energy and uses muscles to breathe
- 20. respiratory back-up system
- 24. center of pons that is secondary center if medulla fails
Down
- 1. Most common cause of upper airway obstruction
- 2. high pitched sound heard in inspiration and/or expiration in lower airways
- 3. balloon like cluster of air sacs covered in surfactant
- 4. leaf-shaped flap that protects the opening
- 6. thin, slippery membrane around lung
- 7. nasal pharynx, pharynx, oral pharynx, mouth, epiglottis, larynx
- 9. tissues and cells do not receive enough O2
- 11. process of loading O2 onto hemoglobin in the bloodstream
- 13. heard with fluid in smaller lower airway
- 14. another name for trachea
- 15. drives primary respiratory drive
- 18. warm, filter, and humidify air
- 21. low-pitched, indicates fluid in lower airways
- 22. split between right and left bronchi
- 23. loud high-pitched "whistling" heard during inspiration
- 25. lies posterior to trachea