Across
- 3. conduits for oxygen entering the alveoli and carbon dioxide leaving
- 4. main conduit for air entering and leaving lungs
- 7. lines walls of thoracic cavity
- 9. contracts and flattens during inhalation
- 13. narrow superior portion of each lung
- 15. stabilize the chest wall and drives breathing
- 19. exchanges oxygen and carbon dioxide between air and blood
- 20. enhances lung elasticity on right lung
Down
- 1. facilitates breathing by altering volume and pressure
- 2. transports deoxygenated blood away from heart’s right ventricle to lungs
- 5. facilitate independent movement of both lung lobes during respiration
- 6. pumps blood throughout the body
- 8. transport food, liquids, and saliva
- 10. translates to small cavity/air sacs
- 11. crucial, friction free space between lungs and chest wall
- 12. occupy entire thoracic cavity except the most central area
- 14. often called the respiratory tree
- 16. matures, trains, and selects T-cells
- 17. lung area resting on the diaphragm
- 18. protective shield for the heart and lungs