Across
- 3. The double-layered membrane surrounding the lungs.
- 6. Instrument used to measure lung capacity.
- 8. The circulation of blood between the heart and the lungs.
- 9. The organ where oxygen is exchanged for carbon dioxide in the blood.
- 10. The number of breaths taken per minute.
- 11. An infection that inflames air sacs in one or both lungs.
- 14. A chronic inflammatory condition of the bronchial tubes.
- 17. The gas produced as a waste product of respiration
- 18. The muscle that separates the chest cavity from the abdominal cavity and aids in breathing.
- 19. A flap-like structure that prevents food from entering the windpipe during swallowing.
- 20. The chronic inflammatory condition characterized by airflow obstruction
Down
- 1. The gas essential for respiration
- 2. The process of inhaling oxygen and exhaling carbon dioxide.
- 4. A common respiratory infection in children.
- 5. The passage connecting the nose and mouth to the larynx.
- 7. A substance that reduces surface tension in the alveoli.
- 12. The tiny air sacs in the lungs
- 13. A tube connecting the larynx to the bronchi
- 15. A viral infection causing inflammation of the air passages.
- 16. Hair-like structures that help move mucus out of the respiratory trac