Across
- 4. movement of air in and out of the lungs.
- 6. exchange of gases between atmosphere, blood, and body cells.
- 8. act of breathing out (exhalation).
- 9. insertion of tube in the mouth or nose.
- 13. a procedure in reshaping the bone to achieve desired shape.
- 15. hair-like projections that sweep mucus to the pharynx.
Down
- 1. where the three olfactory sensors that are located in the interior part of the nasal cavity.
- 2. tiny air sacs in the lungs where gas exchange occurs.
- 3. act of breathing in (inhalation).
- 5. smaller branches of the bronchi that lead to alveoli.
- 7. flap that covers the trachea during swallowing.
- 10. membranous tube that consists of connective tissue and smooth muscle.
- 11. the main muscle of the respiratory system.
- 12. voice box; contains the vocal cords.
- 14. throat; common passageway for air and food.