Across
- 2. this is called your "voice box"
- 4. this system is known as your breathing system
- 5. cords two small bands of tissue stretched across your larynx
- 8. this tube is also called your windpipe
- 9. to breathe in
Down
- 1. a strong, curved muscle attached below your lungs
- 3. the flap of tissue that closes over the trachea
- 6. hairlike structures which line your nasal passages
- 7. to breathe out