Across
- 5. Flexible tube that connects the larynx with the bronchial tree
- 6. Hollow space behind the nose
- 7. Soft, cone-shaped organs that occupy a large portion of the thoracic cavity
Down
- 1. Branched tubes that lead from the trachea to the alveoli
- 2. Chamber behind the mouth cavity and between the nasal cavity and larynx
- 3. Hollow spaces in various bones of the skull
- 4. Enlargement at the top of the trachea
- 6. Part of face centered above the mouth and below the space between the eyes
