TEEN HEALTH COURSE 2

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Chapter 8 Tobacco
Lesson 1 How Tobacco Affectsthe Body
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• nicotine

An addictive, or habit-forming, drug found
intobacco
A thick, dark liquid that forms when tobacco burns

• tar

A colorless, odorless, poisonous gas produced
when tobacco burns

• carbonmonoxide

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• alveoli

The tiny air sacs in the lungs
A disease that results in the destruction of
thealveoli in the lungs

• emphysema

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• In this lesson, you will be able to
• identify the harmful ingredients in tobacco
  smoke.
• describe how tobacco affects the body.
• apply the skill of advocacy to encourage someone
  to betobacco free.

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Predicting Look over the headings in this lesson.
Write a question that you think the lesson will
answer. After the lesson, check to see if your
question was answered.
Headings in this Lesson

• Facts About Tobacco
• What Is in Tobacco?
• Forms of Tobacco
• Tobacco Affects Body Systems

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Facts About Tobacco
4,000 HarmfulChemicals!
One puff of tobacco smoke

In the United States, more than 400,000 people
die every year from smoking-related illnesses.
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What Is In Tobacco?

• Tobacco products contain poisonous substances
  such as nicotine, tar, and carbon monoxide.

nicotine An addictive, or habit-forming, drug
found in tobacco
tar A thick, dark liquid that forms when
tobacco burns
carbon monoxide A colorless, odorless,
poisonous gas produced when tobacco burns
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What Is In Tobacco?
Cyanide
Formaldehyde
Methyl Ethyl Ketone
Polonium 210
A deadly poisonfound in pestcontrol products.
A burning, stinging gas used as a
preservativein laboratories.Causes
nasalcancer.
Used in solvents.Harms the centralnervous
system.
An element knownto cause cancer.
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Forms of Tobacco
Cigarettes
Cigars and Pipes
Smokeless Tobacco

• Filters do not keep out harmful chemicals.
• Flavored cigarettes have more chemicals than
  non-flavored cigarettes.

• Cigar smoke is more harmful than cigarette smoke.
• Smokers of cigars and pipes are more likely to
  get mouth, tongue, or lip cancer than people who
  dont smoke.

• The two forms are chewing tobacco and snuff.
• Nicotine is absorbed into the body through the
  digestive tract.
• Smokeless tobacco is just as harmful and
  addictive as cigarettes.

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Tobacco Affects Body Systems

• Some of the effects of using tobacco include
• Bad breath
• Bad odor in hair and clothes
• Increased heart rate
• Increased blood pressure
• Getting sick more often and longer
• Decreased ability to run as far or as fast

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Respiratory System

• Breathing in tobacco smoke damages the alveoli,
  which can lead to emphysema.

alveoli The tiny air sacs in the lungs
emphysema A disease that results in the
destruction of the alveoli in the lungs
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Digestive System

• Smoking can lead to mouth and stomach ulcers,
  which are painful, open sores.
• Smoking increases the chances that you will get
  cavities and gum disease.

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Nervous System

• The brain adapts to nicotine by increasing the
  number of nicotine receptors.
• This causes tobacco users to need more tobacco.

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Circulatory System

• As a person smokes, blood vessels constrict.
• Over time, the blood vessels can harden, which
  can lead to heart attack, stroke, or coronary
  heart disease.

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Excretory System
Lungs
Blood
Kidneys And Urine
SMOKECHEMICALS
Bladder damage andincreased risk ofcolorectal
cancer
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Lesson 1 Review
What I Learned
Vocabulary Define tar.
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Lesson 1 Review
What I Learned
Explain Describe the ways in which smoking
harmsthe body.
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Lesson 1 Review
What I Learned
Identify Name five substances in tobacco smoke
thatare harmful to the body.
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Lesson 1 Review
What I Learned
List Name three forms of tobacco.
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Lesson 1 Review
Thinking Critically
Hypothesize How might you influence a peer to
makethe healthful choice to quit chewing tobacco?
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Lesson 1 Review
Thinking Critically
Analyze Why do you think it is important for a
teen to never try tobacco?
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End of
Chapter 8 Tobacco
Lesson 1 How Tobacco Affectsthe Body
Click for
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gtgt Chapter 8 Assessment