The Respiratory System

123456789101112131415161718192021
Across
  1. 3. the tendency of the thorax and the lungs to return to their pre-inhalation size
  2. 4. process of expelling air from the lungs
  3. 6. function of the sinuses
  4. 7. the substance that assist in gas exchange by stabilizing the alveolus and reducing surface tension
  5. 14. the structure that is formed by the alveolar membrane basement membrane and the capillary wall
  6. 17. process of taking air into the lungs
  7. 18. throat
  8. 20. gas exchanging between the air in the alveoli and the blood in capillaries
  9. 21. the primary organs of respiration
Down
  1. 1. the ease which the thorax and lungs stretch during inhalation
  2. 2. the nerve that innervates the diaphragm to initiate inhalation
  3. 5. gas exchange between the blood in the capillaries and body cells within tissues
  4. 8. windpipe
  5. 9. location of the glottis and vocal cords
  6. 10. average number of breaths per minute for a resting adult
  7. 11. main muscle of respiration
  8. 12. breathing
  9. 13. the passageways leading from the trachea to each lung
  10. 15. primary gas exchange structures of the respiratory tract
  11. 16. guardian of the windpipe
  12. 19. air-conditioning chambers