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What happens to a smokers lung?

Answer:
when they smoke they take in carbon monoxide and it gets into your windpipe witch causes coughing and it coats their lungs with tar. so that they can not breath easily. the cancer comes from the wind pipe because it distoyed the little hair that filter out air. so if they breath in another bad chemical that is double threat of getting killed from it.
First answer by ID1671029242. Last edit by ID1671029242. Question popularity: 2 [recommend question].