Across
- 2. persisting for a long time or constantly recurring
- 6. bluish tint to the lips, fingertips
- 9. is a chronic lung disease caused by damage to the alveoli
- 10. is a continuous, coarse
- 11. a small cylinder of finely cut tobacco leaves rolled
- 15. a group of diseases involving abnormal cell growth
- 16. its what happens to your lungs
- 18. there are none in this case
- 19. any of the many tiny air sacs of the lungs
- 20. is a chemical element with symbol O
Down
- 1. It is generally considered a field of biology
- 3. Especially upon waking up in the morning
- 4. Change in the shape of the chest
- 5. they make you get lung cancer
- 7. it happens in the lungs
- 8. Swelling commonly in the feet and ankles
- 12. a disease or period of sickness affecting the body or mind
- 13. the action of inhaling or breathing in
- 14. the primary organs of the respiratory system in humans
- 17. chronic obstructive lung disease