Respiratory Crossword

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Across
  1. 4. create a gentle current that moves mucus
  2. 7. a muscle of respiration
  3. 9. the pressure in the pleural space
  4. 10. the pressure in the alveoli
  5. 11. traps inspired dust, bacteria, and other debris
  6. 13. bronchioles serving alveoli with high pCO2 should ______
  7. 15. dioxide the most potent chemical influencing respiration
  8. 16. temporary cessation of breathing
  9. 18. the blood flow in pulmonary capillaries
  10. 20. the pressure of a gas varies inversely with its _________
  11. 22. oxygen travels in the blood bound to ________
  12. 23. the total amount of exchangeable air
  13. 26. lighten the skull
  14. 27. cells that produce mucus
Down
  1. 1. cells that secrete surfactant
  2. 2. where the trachea branches into the two main bronchi
  3. 3. diffuses INTO blood in the lungs
  4. 5. site of gas exchange
  5. 6. this gradient determines the direction a gas flows
  6. 8. decreased by surfactant
  7. 12. main way CO2 travels in blood
  8. 14. increased temp __________ hemoglobin's oxygen affinity
  9. 17. guardian of the airway
  10. 19. relative amount increases as you move down the respiratory tract
  11. 21. air in the conducting respiratory passageways that doesn’t contribute to gas exchange
  12. 24. leading cause of cancer death in North America
  13. 25. supported by C-shaped cartilage rings