Across
- 1. Alveolar ______ allow air pressure throughout the lung to be equalized and provide alternate air routes.
- 3. __________ chemoreceptors are located throughout the brain stem, including the ventrolateral medulla.
- 6. Quiet __________ depends more on lung elasticity than on muscle contraction.
- 7. _______ volume is the amount of air inhaled or exhales with each breath under resting conditions.
- 9. _________ chemoreceptors are found in the aortic arch and carotid arteries.
- 11. Permanent enlargement of the alveoli, accompanied by destruction of the alveolar walls
- 14. The __________ zone includes all other respiratory passageways which provide conduits for air to reach gas exchange sites.
- 15. Alveolar ducts lead into terminal clusters call alveolar ______.
- 16. Inflammation of the vocal cords
- 18. Difficult or labored breathing often referred to as “air hunger”
- 20. Smallest subdivisions of the lung visible with the naked eye are the _________.
Down
- 2. __________ respiration diffuses oxygen from the lungs to the blood and carbon diffuses from the blood to the lungs.
- 4. Inflammation of the pleurae, often resulting from pneumonia
- 5. The __________ zone is the actual site of gas exchange.
- 8. ___________ respiration diffuses oxygen from blood to tissue cells and carbon dioxide diffuses from tissue cells to blood.
- 10. Connect the nasal cavity and mouth superiorly to the larynx and esophagus inferiorly
- 12. Tips to cover the laryngeal inlet during swallowing
- 13. In ___________ ventilation, air is moved into and out of the lungs so that gases are continuously changed and refreshed.
- 17. _________ volume is the amount of air remaining in the lungs after a forced expiration.
- 19. The respiratory bronchioles lead into winding alveolar _______.