Across
- 1. The interior of the nose consists of the
- 5. Part of the mucous membrane of the larynx
- 6. the only externally visible part of the respiratory system
- 7. Each lung is _______ into lobes by fissure
Down
- 2. which protrudes anteriorly and is commonly called Adam’s apple
- 3. guardian of the airways
- 4. slitlike passageway between the vocal folds is the