Across
- 3. Small tube that connects to the alveoli.
- 4. Type of muscle that allows the chest to rise and fall.
- 7. Flap that covers the airway when swallowing.
- 8. Windpipe.
Down
- 1. Large sheet of muscle below your lungs.
- 2. Air passes through 2 vocal cords causing vibrations (sound).
- 3. Tube branching off the windpipe.
- 5. Tiny air sacs where gas exchange takes place.
- 6. Air is filtered by hairs & mucus here.