Across
- 1. a struktural unit of the lung
- 3. cartilage that covers the larynx during swallowing
- 5. different word for trachea(colloquial)
- 8. muscle under the lungs that flattens during inspiration
- 9. long curved bones which surround the chest
Down
- 1. a cone-shaped spongy organ of respiration contained within the thorax
- 2. one of the smaller subdivisions of the bronchial tubes
- 4. the air passageway that extends from the larynx to the bronchi
- 6. a double-layered membrane that covers the lungs(visceral) and lines the thoracic cavity(parietal)
- 7. the external openings of the nose