Across
- 4. covers the lungs and lines the chest cavity
- 10. muscles that help form and move the chest wall
- 11. alveoli are filled with fluid, preventing gas exchange
- 12. prevents food from entering the windpipe and lungs
- 13. route for food and air
- 15. warms and mositens air
- 19. max. amount of air that one can exhale after a max. inhalation
- 20. air that remains in the lungs after exhaling
Down
- 1. uncontrolled growth of tumours in the lung tissue
- 2. inflammation of the lining of the bronchioles
- 3. blood vessel
- 5. allergic condition characterized by the constriction of bronchioles
- 6. condition where the alveoli are damaged
- 7. leads to trachea
- 8. skeletal muscles in the respiratory system
- 9. smaller branches leading from the bronchi into lung tissue and into air sacs
- 14. two branches that lead to the lungs
- 16. also known as windpipe
- 17. where vocal cords are located
- 18. units in the lungs where gas is exchanged