Across
- 3. a flap that remains open during breathing
- 8. tubes that connect the lungs with the trachea
- 10. the area of the throat that contains the vocal cords
- 11. a large air filled space above and behind the nose
- 12. organs through which we get oxygen
Down
- 1. a dome-shaped muscle that helps with breathing
- 2. tube at back of the throat
- 4. tube that connects the larynx to the lungs
- 5. respiratory term for breathing in
- 6. respiratory term for breathing out
- 7. small airways in the lungs
- 9. tiny walled air sacs