Respiratory System
Across
- 1. opening from the pharynx to the trachea
- 4. common chamber that connects the mouth, nasal passages, trachea, and esophagus
- 5. tubes that branch from the trachea
- 7. tube with cartilage rings that begins at the glottis and ends at the bronchi
- 8. fluid that helps to maintain moisture on tissue surfaces and capture debris particles in the air
Down
- 2. organ in which gas exchange takes place
- 3. flap of tissue that closes the trachea when you swallow to prevent choking
- 6. voice box