Across
- 2. leads to the stomach and lungs
- 3. is also known as the voicebox
- 5. thin lining surrounding the lungs
- 6. Air enters through and is warm and humidified
- 9. Smaller branch
- 11. airways narrow and swell and may produce extra mucus
- 13. Split to the left and right and led into the lungs
Down
- 1. is a contagious infection that usually attacks your lungs.
- 4. strengthened by cartilage and covered in cilia to sweep food debris and water out of the windpipe
- 5. is also known as the throat
- 7. infection of one or both of the lungs caused by bacteria, viruses, or fungi
- 8. Oral cavity where the air of food enter
- 10. small flap of tissue that covers the airway
- 12. tiny air sacs