| A | B |
|---|
| addiction | The physical and psychological need for the drug. |
| tar | solid material in tobacco smoke that condenses into a thick liquid. |
| nicotine | an addictive chemical found in tobacco |
| psychological dependence | the type of addiction in which the mind believes it needs the drug. |
| carbon monoxide | a poisonous gas released by burning tobacco |
| cancer | a disease caused by cells that have lost normal growth controls and that invade and destroy healthy tissues |
| chronic bronchitis | an inflammation of the bronchial tubes in the lungs and the production of excessive mucus |
| emphysema | a disease in which the tiny air sacs of the lungs lose their elasticity |
| chewing tobacco | a form of smokeless tobacco that is placed between a person's cheek and gum |
| mainstream smoke | smoke that inhaled directly into the mouth through a cigarette, pipe, or cigar |
| sidestream smoke | smoke that enters the environment from burning tobacco |
| passive smoker | a nonsmoker who is exposed to the sidestream smoke of a cigarette. cigar, orpipe. |
| tolerance | needing more and more of a drug to get the same effect. |
| physcial dependence | the body has a physical need for the drug |
