The Respiratory System

Edit Answers
1234567891011121314151617181920212223242526272829
Across
  1. 3. / the two main organs of the respiratory system
  2. 6. / inflammation of the bronchial tubes
  3. 7. septum / divides the nose into 2 hollow spaces
  4. 9. / the process of inspiration and expiration
  5. 10. / difficult or painful breathing
  6. 14. / dilation of the bronchi
  7. 16. / cavities in the skull that surround the nasal area
  8. 17. / the process of breathing
  9. 18. / lack of oxygen
  10. 19. / nosebleed
  11. 20. / small branches that the bronchi divide into
  12. 23. / leaf-like cartilage in your throat that closes when you swallow
  13. 25. / also called the throat
  14. 27. / also called the windpipe
  15. 28. / has 2 holes called nostrils
  16. 29. / the sac that encloses the lungs
Down
  1. 1. / the 2 tubes the trachea divides into
  2. 2. / nostrils
  3. 4. / between the ribs
  4. 5. / nose hairs
  5. 8. / absence of breathing
  6. 11. respiration / the exchange of oxygen and CO2 between the lungs and bloodstream
  7. 12. / also called the voice box
  8. 13. / inhalation
  9. 15. system / consists of the lungs and air passageways
  10. 19. / exhalation
  11. 21. respiration / The process when the cells use oxygen and nutrients to produce energy, water, and CO2
  12. 22. / the muscular wall that divides the chest cavity from the abdominal cavity
  13. 24. respiration / the exchange of oxygen and CO2 between the lungs and the bloodstream
  14. 26. / resemble a bunch of grapes