Tobacco Use

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Across
  1. 3. tobacco smoke that contaminates the air
  2. 4. system of organs that supply your blood with oxygen
  3. 6. tobacco-related illnesses are completely _______
Down
  1. 1. unpleasant symptoms when trying to recover from a drug
  2. 2. powerful and addictive drug in cigarettes
  3. 5. tobacco-related illness affecting the lungs