By: Karina E. Mr. Gammill Chapter 13 Tobacco and Your Health

Lesson 1 What Tobacco Does to Your Body

NICOTINE IS AN ADDICTIVE DRUG IN TOBACCO

TAR IS A THICK, DARK LIQUID THAT FORMS WHEN TOBACCO BURNS

Carbon monoxide Is a colorless, odorless, poisonous, gas produced when tobacco burns

cilia Are the fine hairs that line the respiratory system and prevent dust and foreign matter from getting into the lungs.

Lesson 2 Tobacco Addiction

addiction A physical or mental need for a drug or other substance

Physiological Dependence Is a type of addiction in which the body itself feels a direct need for a drug.

Psychological dependence Is an addiction in which the mind sends the body the message that it needs more of the drug.

Lesson 3 Choosing to be Tobacco Free

Withdrawal Is physical symptoms that occur when someone stops using an addictive substance.

Secondhand smoke Even if you are not smoking , you may be breathing air that has been contaminated by tobacco smoke

Sidestream smoke The smoke coming from the burning tip of the cigarette

Mainstream smoke Smoke that goes directly from the cigarette into the smoker’s lungs.

Passive smokers Nonsmokers who breathe secondhand smoke become Passive smokers.