Across
- 4. process of moving air into and out of your body
- 6. The scientific name for the windpipe that leads to the lungs.
- 8. a passageway for both food and air.
- 9. The main organs of respiration
Down
- 1. Two large tubes that branch off from the trachea into each lung.
- 2. The waste gas produced by the body .
- 3. The dome-shaped muscle below the lungs
- 5. The external entry point for air,
- 7. it contains the vocal cords.