Across
- 2. The main organs of the respiratory system
- 3. Between the pharynx and larynx is a flap of tissue
- 5. The back part of the mouth and the nose
- 6. A thick sticky substance
Down
- 1. The space between these folds
- 3. An elastic tube that is located behind the larynx and carries food and liquids to the stomach
- 4. A boxlike structure composed of several pieces of cartilage