The respiratory system
Across
- 6. Cell organelles responsible for aerobic respiration
- 9. The reaction in which glucose is broken down to release energy
- 11. The act of releasing air from the body
- 12. A tube that carries the air from the trachea into each individual lung
- 13. A disease caused by rapidly growing cells
- 14. A molecule produced when a person respires anaerobically
Down
- 1. A set of muscles between the ribs that help create breathing movements
- 2. A sticky fluid that traps microbes so that they can be removed from the body
- 3. A cell with tiny hair-like projections on the cell membrane
- 4. The site of gaseous exchange in the respiratory system
- 5. A disease in which the bronchioles become too narrow and breathing becomes difficult
- 7. A thick sheet of muscle below the lungs that contracts during inhalation
- 8. A type of drug that allows people to feel more alert
- 10. The addictive substance in cigarette smoke
- 15. An ingredient in cigarette smoke that paralyses the cilia