Respiratory System
Across
- 3. Contains vocal cords
- 4. Each of the two parts in which the trachea is divided in two
- 6. A muscle that separates the thorax from the abdomen
- 8. Tubular organ lined with rings of cartilage
- 9. Closes the passage to the larynx
Down
- 1. Sacs located at the end of the bronchioles where gas exchange occurs
- 2. Smaller ducts of the bronchi
- 5. Warm and humidify the air
- 7. Its right part has three lobes while its left part has two lobes