Across
- 2. exchange, 02 moves from the lungs into the blood & C02 moves from blood to lungs
- 4. system, responsible for delivering oxygen throughout the body
- 6. major organ in the Respiratory System
- 7. a respiratory condition caused by inflammation and muscle tightening around the airways
- 8. a fist-sized organ that pumps blood throughout your body
- 11. thick muscular blood vessels that pump blood throughout the body
- 13. tiny blood vessels that facilitate the exchange of substances between your blood and tissues
- 15. branching air tubes in the lungs
- 17. system, responsible for bringing oxygen into the body and removing carbon dioxide
- 18. a type of lung disease that causes breathlessness due to damaged air sacs
Down
- 1. thickening or hardening of the arteries caused by a buildup of plaque in the inner lining
- 3. triangular wall of cardiac tissue that separates the left and right ventricles
- 5. the main artery (largest) that carries blood away from your heart to the rest of your body
- 9. ___________ causes an increase in breathing rate and heart rate
- 10. blood vessels that contain valves to prevent backflow of deoxygenated blood
- 12. ventricle, the largest chamber in the heart
- 14. tiny air sacs at the end of the bronchioles
- 16. large tubes that connect to your trachea & direct the air you breathe to your right & left lungs