1. Chapter 13 Tobacco Lesson 1 Facts About Tobacco Next >>
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2. An addictive drug found in tobacco leaves and in all tobacco products
nicotine
addictive
Capable of causing a user to develop intense cravings
Click to reveal the definitions.
tar
A thick, oily, dark liquid that forms when tobacco burns

3. Passages through which air enters and spreads through the lungs
bronchi
carbon monoxide
A poisonous, colorless, odorless gas
Click to reveal the definitions.
smokeless tobacco
Ground tobacco that is chewed or inhaled through the nose

4. In this lesson, you will learn to
recognize the various forms of tobacco.
identify some of the harmful substances in all forms of tobacco.
describe the negative effects tobacco use can have on appearance.

5. Making Inferences
Look at the headings, figures, and captions in this lesson. Discuss what kinds of information you think this lesson will provide.
Headings in this Lesson
What Is Tobacco?
Different Tobacco Products
Cigarettes
Cigars and Pipes
Specialty Cigarettes
Smokeless Tobacco

6. Nicotine is an addictive drug.
What Is Tobacco?
Nicotine is an addictive drug.
nicotine An addictive drug found in tobacco leaves and in all tobacco products
Tobacco is a woody, shrub-like plant with large leaves.
There are over 4,000 chemicals in tobacco. One of these chemicals is nicotine.
addictive Capable of causing a user to develop intense cravings

7. When smokers inhale, tar deposits form on the bronchi.
What Is Tobacco?
When smokers inhale, tar deposits form on the bronchi.
tar A thick, oily, dark liquid that forms when tobacco burns
If tar builds up, serious diseases such as emphysema and lung cancer can develop. These diseases make it difficult for a person to breathe.
bronchi Passages through which air enters and spreads through the lungs

8. What Is Tobacco?
Carbon monoxide in smoke passes through the lungs and into the bloodstream.
carbon monoxide A poisonous, colorless, odorless gas
Carbon monoxide weakens muscles and blood vessels, which can lead to heart attack and stroke.
Carbon monoxide reduces the amount of oxygen the blood vessels can carry.

9. Different Tobacco Products
Cigarettes
Specialty Cigarettes
Types of Tobacco Products
Cigars and Pipes
Smokeless Tobacco

10. Cigarettes
Risks of Using Cigarettes
Emphysema
Lung disease
Heart disease
Cancer
Infertility
Stroke
Bad breath
Premature wrinkling of the skin
Stained teeth and fingers
More than 400,000 cigarette smokers die from smoking-related illnesses every year.

11. One large cigar can contain as much tobacco as a pack of cigarettes.
Cigars and Pipes
Risks of Using Cigars and Pipes
Cancer of the mouth
Cancer of the larynx
Cancer of the throat
Heart disease
Cigars contain larger quantities of the same harmful substances as cigarettes.
Pipe smokers usually inhale less than cigarette smokers, but they are still at risk of developing cancer of the lips, mouth, and throat.
One large cigar can contain as much tobacco as a pack of cigarettes.

12. Specialty Cigarettes Bidis Kreteks
Flavored, unfiltered cigarettes imported from India and Southeast Asian countries
Also called clove cigarettes. Contain a mixture of tobacco, cloves, and other additives
Both have higher concentrations of nicotine, tar, and carbon monoxide than regular cigarettes.

13. Smokeless tobacco contains 15 times more nicotine than cigarettes.
smokeless tobacco Ground tobacco that is chewed or inhaled through the nose

14. Smokeless Tobacco Risks of Using Smokeless Tobacco
Cancers of the mouth
Cancer of the esophagus
Cancer of the larynx
Cancer of the stomach
Cancer of the pancreas
Stained teeth
Bad breath
Tooth decay
Gum disease

15. What I Learned Vocabulary What is nicotine? Lesson 1 Review
Nicotine is an addictive drug found in tobacco.

16. Lesson 1 Review
What I Learned
List Identify and describe the risks associated with three harmful substances found in all forms of tobacco.
Nicotine causes users to have intense cravings for it. Tar is a thick, oily, dark liquid that forms when tobacco burns and builds up on the linings of the lungs, causing disease. Prolonged exposure to carbon monoxide gas leads to heart attack, stroke, or death.

17. Lesson 1 Review
What I Learned
Recall What is the most common form in which tobacco is used? Name three other tobacco products.
The most common form is the cigarette. Other products include cigars and pipe tobacco, specialty cigarettes, and smokeless tobacco.

18. Lesson 1 Review
Thinking Critically
Analyze Julia is at a party where another girl lights a cigarette. When Julia points out that smoking is bad for her health, the other girl shrugs. “I’m a strong person,” she says. “I can quit anytime I want.” How might Julia reply?
Tobacco contains nicotine, which is an addictive drug.

19. Lesson 1 Review
Thinking Critically
Evaluate Pete chews smokeless tobacco. He uses it when no one else is around so others do not have to watch him spitting tobacco juice. “It’s a win-win situation,” says Pete. Do you agree with Pete’s point of view? Explain your answer.
Sample answer: No. Smokeless tobacco contains 15 times more nicotine than cigarettes. It also stains the teeth and causes bad breath, tooth decay, and gum disease.

20. Chapter 13 Tobacco End of Lesson 1 Facts About Tobacco Click for:
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