2. Respiratory system

3. Nasal cavity

4. Lungs

5. Trachea and bronchi

6. Bronchi sections
Healthy bronchus
Inflamed bronchus

7. Lobes (1)

8. Lobes (2)

9. Intrapulmonary airways (1)

10. Intrapulmonary airways (2)

11. Pulmonary circulation

12. Breathing
Inspiration
Expiry

13. Gas exchanges O O C O C O O O C O C O 2 2 Systemic circulation
Pulmonary circulation

14. Pneumothorax
Healthy lungs
Pneumothorax

15. Pulmonary embolism (1)

16. Pulmonary embolism (2)

17. Pulmonary edema

18. Chronic bronchitis

19. Emphysema

20. Lung cancer
Cancer
Healthy lung
Smoker’s lung

21. Cough