Across
- 1. Facilitates lung movement and breathing
- 4. Assists expanding and contracting of the lungs
- 5. Pumps blood
- 8. Assists the release of carbon dioxide from the blood into the exhaled air
- 9. A passageway for air to travel
- 10. Produces and matures immune cells
- 11. Protects and lubricates the heart
- 13. In between the superior and middle lobes of the lungs
- 15. Beneath the middle lobe of the lungs
- 17. Transport food and liquids from the mouth to the stomach
- 19. Lung, on the right side
- 20. Lung, on the left side
- 21. Allow for collateral ventilation
Down
- 2. Transport air from the lobular bronchioles to the respiratory bronchioles
- 3. The main muscle for breathing
- 6. The most superior lobe on the right side of the body
- 7. Facilitates gas exchange between the air and blood
- 12. Connect respiratory bronchioles to the alveolar sacs
- 14. Protects the vital organs throughout the thoracic cavity
- 16. The very top of the lung
- 18. Bone in front of the lungs, center