Across
- 2. Primary muscle in the respiratory system that helps you inhale and exhale (breathe in and out)
- 5. These carry oxygen-rich blood AWAY from the heart to the body
- 9. This system delivers oxygenated blood to different parts of the body
- 11. This disease is the leading cause of death in America
- 12. Leading cause of respiratory disease
Down
- 1. Your "windpipe". Vital for taking in air
- 3. Tiny, grape-like air sacs at the end of the bronchioles in the lungs, acting as the primary site for oxygen and carbon dioxide exchange
- 4. These return deoxygenated blood BACK TO the heart
- 6. This system allows the body to take in oxygen and expel carbon dioxide
- 7. The primary air transport system, conducting air from the trachea to the lungs, dividing into left and right sides
- 8. The heart has how many "chambers"
- 10. Primary component of respiratory system. Takes in air.