Respiratory System & Smoking

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Across
  1. 1. A sticky substance in tobacco smoke that damages the lungs.
  2. 3. The muscle that helps with breathing by contracting and relaxing.
  3. 5. The main organs of the respiratory system.
  4. 9. Tiny air sacs in the lungs where gas exchange occurs.
  5. 11. The waste gas produced by cells and exhaled by the lungs.
  6. 12. The gas that is essential for respiration.
Down
  1. 1. The windpipe that connects the throat to the lungs.
  2. 2. A lung condition caused by damage to the alveoli, often due to smoking.
  3. 4. A disease where abnormal cells grow uncontrollably in the lungs, often caused by smoking.
  4. 6. A toxic alcohol found in tobacco smoke.
  5. 7. Toxic elements like lead and cadmium found in tobacco smoke.
  6. 8. The addictive substance found in tobacco.
  7. 10. The two large tubes that lead from the trachea to the lungs.