Respiratory System

1234567891011121314151617181920
Across
  1. 2. entraps dust and particles from air
  2. 7. folds of muscle tissue and connective tissue: vibrates
  3. 9. breathing rapidly and shortly
  4. 11. respiratory system circulates this throughout body
  5. 13. conducts air to pharynx, warms/moistens air
  6. 16. divides nasal cavity into left and right portions
  7. 17. reduces weight of skull, resonant chambers
  8. 18. has 3 subdivisions/ prevents foreign objects in trachea
  9. 20. inhale
Down
  1. 1. flexible tube that connects larynx to bronchial tree
  2. 3. controls depth of air intake
  3. 4. humans exhale this
  4. 5. entrance to nasal cavity, internal hairs filter
  5. 6. passageway for air from nose/passageway for food
  6. 8. Medulla oblongata and pons
  7. 10. main organs of respiratory system
  8. 12. branched tubes leading from trachea to alveoli
  9. 14. exhale
  10. 15. protein that carries oxygen and carbon dioxide
  11. 19. part of face centered above mouth and In between eyes