Across
- 1. respiratory tract that includes the bronchi
- 3. includes vocal cords and opening between vocal cords
- 4. each lung is enclosed in a double walled sac called __
- 5. the palate that is more anterior and supported by bone
- 7. each lung has separate sections called ____
- 9. zone outside of the respiratory zone
- 10. pneumocyte found in alveoli that produces surfactant
- 13. the larger lung with a steeper angle
- 16. forms a lid over larynx during swallowing
- 18. single tonsil located in the nasopharynx
- 20. network of branching pathways in the respiratory system
- 22. the smallest of respiratory branches
- 23. clusters of thin-walled sacs where gas exchange occurs
- 24. chambers that connect individual alveoli
- 26. dome shaped muscle involved in breathing
- 28. located inferior to pharynx; commonly called the voice box
- 29. fatty molecule that coats gas exposed alveolar surfaces
- 30. cells that pick up bacteria and debris
Down
- 2. terminal bronchioles lead into this zone
- 4. tube commonly called the throat shared by digestive and respiratory systems
- 6. vocal cords that vibrate with expelled air and allow us to speak
- 8. projections from lateral walls of nose that increase surface area
- 10. pneumocyte; primary cell found in alveoli with unusually thin simple squamous epithelium
- 11. cell structures that help to expel mucus and other debris from lungs
- 12. the trachea divides into left and right primary _____
- 14. respiratory tract that includes the nose
- 15. region of pharynx attached to larynx
- 17. cartilage that produces the Adam's apple
- 19. lung that has cardiac notch
- 21. windpipe, has C-shaped cartilage to help keep it open
- 25. cavities within bones that help to lighten skull and act as resonance chambers for speech
- 27. part of lung located near the clavicle