The respiratory system

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