Respiratory Tract
Across
- 3. warms,humidify,and filters inhaled air
- 4. the smallest airway in the respiratory tract
- 6. Splits the trachea into two airways
- 8. contains three pairs of tonsils
- 9. commonly known as the voice box
- 12. air flow resistance is higher in ____ flow
- 13. an organized flow of air
- 15. hairy structure that moves debris up and out of the airways
- 17. the respiratory tract is divided into the upper and ___ respiratory tracts
- 18. the primary muscle that pushes air in and out of the lung
Down
- 1. a leaf shaped flap that prevents food from entering the respiratory tract
- 2. a diatomic gas with a molar mass of 32
- 5. curved bones within the nasal cavity
- 7. common viral infection of the respiratory tract
- 10. a chronic inflammatory disease of the airways
- 11. is composed by rings of cartilage connected by smooth muscle
- 12. lymphoid organs which serves as the immune system's first line of defense
- 14. tiny balloon shaped air sacs that uptakes oxygen
- 16. the only human organ that can float on water
- 19. the involuntary contraction of the diaphragm that causes a brief closure of the vocal cord