Across
- 3. It connects the trachea to the lungs.
- 5. Tiny air sacs, where the exchange of oxygen and carbon dioxide happens.
- 7. It filters the air of dust by using lots of hairs and mucus.
Down
- 1. It is the throat, where the nose and mouth meet.
- 2. It is the continuation of the airway below the larynx.
- 4. They sweep fluids and foreign particles.
- 6. This short tube contains a pair of vocal cords.