Across
- 4. short tubes at the end of the trachea
- 5. lung disorder where bronchial tubes contract
- 7. tiny, thin-walled sacs at the end of the bronchi
- 9. tube that leads to the lungs
- 11. passageway for food, liquid & air
- 12. movement of the chest that brings air in the lungs
Down
- 1. the system that moves oxygen into the body
- 2. enlarged alveoli disease
- 3. harmful habit that causes lung cancer
- 6. muscle beneath the lungs
- 8. saclike respiratory organ
- 10. airway that houses the vocal cords