Respiratory Vocabulary

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Across
  1. 2. The large airways which branch off of the
  2. 8. The tiny, hair-like projections on the surface of respiratory epithelial cells
  3. 9. The flap of cartilage that closes the airways during swallowing
  4. 11. The membrane that surrounds each lung and reduces the friction of breathing
  5. 12. The bifurcation of the trachea
  6. 14. The throat
  7. 15. The right lung has three _ _ _ _ _ , the left lung has two.
Down
  1. 1. Very small airways
  2. 3. The process of exchanging gases with the bloodstream
  3. 4. The process of moving air in and out of the lungs
  4. 5. The tiny air-sacs at the terminal end of the airways; the place where gas exchange occurs in the lungs
  5. 6. The windpipe; the long cartilage-supported tube that extends down the upper portion of the chest
  6. 7. The dome-shaped primary muscle of breathing
  7. 10. The voicebox
  8. 13. Another name for a nostril