Across
- 2. Tube connecting larynx to bronchi; aka "windpipe"
- 4. The large air passages that lead from the trachea to the lungs.
- 5. Hair-like structures that line the respiratory tract and help move mucus and foreign particles out of the lungs.
- 7. Connected to the nasal cavity via ducts to provide mucous and aid in sound production.
- 8. Dome-shaped muscle that separates the chest cavity from the abdominal cavity and plays a crucial role in breathing.
- 10. Tiny air sacs where gas exchange occurs in the lungs.
- 12. Exchange of oxygen and carbon dioxide in the lungs
- 15. Warms, moisturizes, and filters inhaled air.
Down
- 1. Waste gas expelled during breathing/exhalation
- 3. Tiny blood vessels surrounding the alveoli where gas exchange with the bloodstream occurs.
- 6. Membrane that covers the outer surface of the lungs and lines the inner surface of the rib cage.
- 9. Relating to lungs; pertaining to the respiratory system
- 11. Contains vocal cords for sound production; aka "voice box"
- 13. Flap that covers the trachea during swallowing
- 14. Common passage for food and air; the throat
- 16. Essential gas for cellular respiration