Across
- 2. a thin layer of tissue, that line the lungs to allow the lungs to expand and contract with ease
- 7. muscle of respiration which is situated beneath the lungs
- 9. An infection of the alveoli, usually by bacteria
- 10. illness caused by a virus that can have a detrimental affect on ones respiratory system
- 12. smallest branches of bronchiole tubes
- 16. an active motion that causes the diaphragm to contract
- 17. Difficulty blowing air out is its hallmark
- 19. We expel mucus when we sneeze, cough, spit or ?
- 20. what the right and left lungs are divided into
Down
- 1. the average adult has about 600 million of these
- 3. allergies, infections, or pollution can trigger its symptoms
- 4. blood vessels in the walls of the alveoli
- 5. newest disease condition of the respiratory system
- 6. hollow spaces in the bones of your head above and below your eyes that are connected to your nose by small openings
- 8. A complete lack of oxygen
- 11. the primary function of the lungs
- 13. connects the upper part of the throat with the nasal cavity
- 14. When ones vocal chords (larynx) become inflamed
- 15. sudden infection of the airways, usually by a virus
- 18. The first successful what kind of lung transplant was performed in 1986