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chapt 20 vocab
| Question | Answer |
|---|---|
| addictive drug | a substance that causes physiological or psychological dependence. |
| nicotine | the addictive drug found in tabacco leaves. |
| stimulant | a drug that increases the action of the central nervous system, the heart, and other organisms. |
| carcinogen | a cancer-causing substance. |
| tar | a thick, sticky, dark fluid produced when tabacco burns. |
| carbon monoxide | a colorless, odorlesss, and poisonous gas. |
| smokeless tabacco | tabacco that is sniffed the nose held in the mouth, or chewed. |
| leukoplakia | or thickened, white, leathery-looking spots on the inside of the mouth that can develop into oral cancer. |
| nicotine withdrawl | the process that occurs in the body when nicotine, an addictive drug, is no longer used. |
| nicotine substitutes | deliver small amounts of nicotine into the user's system while he or she is trying to give up the tabacco habit. |
| tabacco cessation program | a course that provides information and help to people to people who want to stop using tabacco. |
| environmental tabacco smoke | air that has been contaminated by tabacco smoke. |
| mainstream smoke | the smoke exhaled from the lungs of a smoker. |
| sidestream smoke | the smoke from the burning end of a cigarette, pipe,or cigar. |