The Respiratory System
Across
- 2. The upper throat behind the nose and mouth.
- 5. The toxic gas that is filtered out of the blood.
- 7. The gas that is absorbed into the blood and sustains life.
- 9. The tiny bubble-shaped sacs of the lungs that exchange gases from the blood.
- 13. Groups of muscles existing between and around the ribs that form the chest wall.
Down
- 1. The thin tube carrying air from the throat.
- 2. Inflammation and fluid buildup in the air sacs of the lungs, typically caused by an infection.
- 3. The dome-shaped muscle below the chest cavity that aids breathing; vocal coaches will tell singers to use this when singing.
- 4. A small flap that prevents food or liquids from being inhaled.
- 6. A condition in which the air sacs of the lungs are damaged.
- 8. The curved bones attached to the spine which protect the organs in the chest cavity.
- 10. The tubes that transport incoming air into the lungs.
- 11. A condition that causes inflammation and sudden tightening of the airways.
- 12. Thin hairlike formations in the airways that catch microbes and debris.
- 14. The muscular organ that allows air to pass through the windpipe and also holds the vocal cords.