How do lungs get rid of dust?

Related questions

1. What can cause pneumoconiosis?
2. Do your lungs clean themselves?
3. What are the different types of pneumoconiosis?
4. What are the stages of black lung?
5. What are the three primary pneumoconiosis?
6. Is tuberculosis a type of pneumoconiosis?
7. What is complicated black lung?
8. How is pneumoconiosis diagnosed?
9. What causes your lungs to turn black?

Tags

1. #upward
2. #throat
3. #swallowed
4. #coughed
5. #particles
6. #defenses
7. #cilia
8. #tubes
9. #either
10. #airways
11. #hairs
12. #walls
13. #inner
14. #mucus
15. #lungs
16. #reaches
17. #covering
18. #avoided
19. #called
20. #alveoli
21. #where