Respiratory System

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Across
  1. 3. The right lung has three ________, while the left lung has two
  2. 4. Increased respiratory rate
  3. 8. During internal respiration, CO2 ________ occurs
  4. 9. The amount of air moved into and out of your lungs with normal resting breathing
  5. 11. The ________ bronchioles mark the beginning of the respiratory zone
  6. 13. Colloquially known as the "voice box"
  7. 14. The shape of the cells that make up the walls of the alveoli
  8. 17. The cartilage that makes up the "Adam's Apple"
  9. 18. The ________ bronchioles are at the end of the conduction zone
  10. 19. When an apparently healthy infant stops breathing and dies during sleep
  11. 20. Loss of elasticity in the lungs that occurs with emphysema
  12. 25. Projections of the lateral walls of the nasal cavity that increase mucosa surface area and air tubulence
  13. 26. When bronchiole passages are
  14. 27. Protects the superior opening into the larynx and blocks food from entering the airways
  15. 28. The most important muscle for pulmonary ventilation
  16. 30. Inspiratory ________ (IRV)is the amount of air that can be taken in forcibly over the tidal volume
  17. 31. The tool used to measure respiratory capacities
  18. 32. The most inferior region of the "throat"
Down
  1. 1. A lipid molecule that prevents alveoli from collapsing
  2. 2. The apex of the lungs sits at around your ________
  3. 5. Cavities within the bones surrounding the nasal cavity
  4. 6. Conscious control of your respiratory rate and depth
  5. 7. The term for bringing air into the lungs
  6. 10. Contains a "pacemaker" called the VRG that sets the rate for reflexive breathing
  7. 12. Chronic ________ occurs with long-term inflammation of the lower respiratory passages
  8. 15. ________ sounds are produced by air rushing through the trachea and bronchi
  9. 16. The lung is surrounded by the visceral and parietal ________, which are a serous membrane
  10. 21. The total amount of exchangeable air (TV+IRV+ERV)
  11. 22. Vibrate with expelled air to create sounds for speech
  12. 23. ________ volume, the amount of air that actually reaches the alveoli
  13. 24. The tonsils that are located in the oropharynx
  14. 29. The only parts of the respiratory system where gas exchange actually occurs