Respiratory tract
Across
- 3. The trachea splits into 2 primary ______
- 4. Walls of the alveoli consists of a _______ layer of cells
- 5. Acts as a switch between larynx and esophagus
- 8. The epithelium contains ____ cells that secrete mucus
- 13. Aveoli provides _____ exchange
- 15. At rest air flows in through the
- 17. Curved shelves of bone that are inside the nasal cavity
- 18. Bronchioles have a diameter of _______mm or less
- 19. Short tube that has lot of cartilages connected by ligaments
Down
- 1. These are the smallest airways of respiratory tract
- 2. The trachea has _______ rings of cartilage connected by smooth muscle.
- 6. The number of divisions within the respiratory system
- 7. There are approximately ________ alveoli
- 9. Another word for windpipe
- 10. The alveolar ducts are _____ that connect the respiratory bronchioles to alveoli
- 11. Common pathway for respiratory and digestive tracts
- 12. The direction that cilia beats to push mucus
- 14. Cilia is surrounded by this fluid film
- 16. The hair shaped structure located on surface pf epithelium