Across
- 2. entraps dust and particles from air
- 7. folds of muscle tissue and connective tissue: vibrates
- 9. breathing rapidly and shortly
- 11. respiratory system circulates this throughout body
- 13. conducts air to pharynx, warms/moistens air
- 16. divides nasal cavity into left and right portions
- 17. reduces weight of skull, resonant chambers
- 18. has 3 subdivisions/ prevents foreign objects in trachea
- 20. inhale
Down
- 1. flexible tube that connects larynx to bronchial tree
- 3. controls depth of air intake
- 4. humans exhale this
- 5. entrance to nasal cavity, internal hairs filter
- 6. passageway for air from nose/passageway for food
- 8. Medulla oblongata and pons
- 10. main organs of respiratory system
- 12. branched tubes leading from trachea to alveoli
- 14. exhale
- 15. protein that carries oxygen and carbon dioxide
- 19. part of face centered above mouth and In between eyes