Respiratory System Crossword
Across
- 1. a protective coating
- 3. the passages that branch from the trachea and direct
- 8. one of the tubules forming the respiratory system of most insects
- 11. into the lungs
- 12. Cavity the cavity behind the nose and above the roof of the mouth
- 13. is a sheet of muscles in the chest cavity
- 15. two spongy organs, located in the thoracic cavity
Down
- 2. hair like tubes that are in the primary bronchus
- 3. being able to pass air in and out of our lungs normally
- 4. gases between air and blood
- 5. smaller tubes branches of the airway
- 6. the throat; passageway for food to the esophagus
- 7. voice box, passageway for air moving from pharynx to the trachea
- 9. pumps carbon out of the lungs and oxygen into the lungs
- 10. air to the larynx
- 14. tiny sacs of lung tissue made for the movement