respiratory system
Across
- 1. holding the vocal cords in humans.
- 5. It plays a major role in breathing
- 8. you eat and speak with.
- 9. known as windpipe.
- 10. each of the pair of organs within the ribcage
Down
- 2. the part projecting above the mouth.
- 3. branches into which a bronchus divides.
- 4. lead from the trachea into the lungs.
- 6. membrane-lined cavity behind the nose and mouth, breath and eat.
- 7. small sacs of tissues.