The Respiratory System

Edit Answers
1234567891011121314151617181920212223242526
Across
  1. 1. the number of breaths per minute
  2. 4. formed by the palatine and maxillary bones
  3. 11. serous membrane lining the pleural cavities
  4. 12. no oxygen in cells
  5. 14. the first bronchi after the trachea
  6. 17. inelastic cords that help prevent foreign objects from entering the glottis
  7. 18. a passageway that bronchioles open into
  8. 19. the middle portion of the pharynx
  9. 22. C-shaped cartilages that protect the trachea
  10. 24. a segment of lung tissue bounded by connective tissue partitions and supplied by a single bronchi
  11. 25. gas exchange surfaces of the lungs
  12. 26. forms much of the anterior and lateral surfaces of the larynx
Down
  1. 2. movement of air into and out of the alveoli
  2. 3. the space enclosed within the flexible tissues of the nose
  3. 5. breaks the fluid bond between the pleurae
  4. 6. low tissue oxygen levels
  5. 7. folds over the glottis
  6. 8. nostrils
  7. 9. blood in the pleural cavity
  8. 10. voice box
  9. 12. common chambers connected to multiple individual alveoli
  10. 13. amount of air moved into or out of the lungs durng single quiet respiratory cycle
  11. 14. throat
  12. 15. provides posterior support to the larynx
  13. 16. extends behind the hard palate
  14. 20. the superior portion of the pharynx
  15. 21. opening that allows air to enter larynx
  16. 23. the airways that carry air to and from the exchange surfaces of the lungs