Across
- 2. Connects each rib to its neighbor
- 4. Pumps blood to the rest of your body
- 7. Carries blood from the lungs back to the left atrium
- 9. Cages your lungs and heart
- 11. Allows passage of air in and out of the lungs
- 13. Contracts when you breathe
- 14. Air chambers and represent the first gas-exchanging alveoli on the airway path
- 15. Transports food from the pharynx into the stomach
- 16. At the end of the bronchioles
- 17. The potential space between the two pleurae (visceral and parietal) of the lungs
- 19. Delivers air to the exchange surfaces of the lungs
- 20. Brings oxygen into the bloodstream and removing carbon dioxide
Down
- 1. The long flat bone that forms the center front of the chest wall
- 3. Takes unoxygenated blood from the pulmonary trunk and transport it to the left lung where the blood vessel then branches into the lungs and gas exchange takes place, re-oxygenating the blood
- 5. Collect and direct the oxygen entering the alveoli and the carbon dioxide exiting the lungs
- 6. Permit greater transmission of diaphragmatic excursions to the superior lobe
- 8. Creates white blood cells called T lymphocytes
- 10. Separates the right middle lobe from the right upper lobe
- 12. Responsible for most of the gas exchange in the right lung during calm, shallow breathing
- 18. Where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out