
Find out what you inhale when you smoke, or when you are exposed to secondhand smoke.
Enter the letter next to the definition in the box next to the substance name. Click the 'submit' button to see your results.
| a.) Acetone | e.) Cyanide | i.) Nicotine |
| b.) Ammonia | f.) Formaldehyde | j.) Tar |
| c.) Benzene | g.) Hydrogen cyanide | k.) Vinyl chloride |
| d.) Carbon monoxide | h.) Lead |
Content last updated July 16, 2012.