Across
- 3. Previously treated with heroin
- 4. Common cause of pneumonia in infants
- 5. Crackles
- 6. Total lung capacity minus vital capacity
- 10. Lung with two lobes
- 12. Delivered via inhaler
- 14. Conducting air passage
- 15. Radiographic film
- 16. Cell type common in asthma pathogenesis
- 18. Lung coverings
- 20. Required for cellular respiration
- 21. Lung collapse
Down
- 1. Surgical puncture into the chest cavity
- 2. Animator who died of lung cancer
- 7. Discoverer of pulmonary circulation
- 8. Life-saving procedure
- 9. Meaning excess
- 11. Happens in exercise
- 13. Take my ______ away!
- 15. Many smokers develop this
- 17. Drives respiration
- 19. Invented the stethoscope