TEEN HEALTH COURSE 2

1
Chapter 8 Tobacco
Lesson 2 The Respiratory System
Click for
gtgt Main Menu
gtgt Chapter 8 Assessment
Teachers notes are available in the notes
section of this presentation.
Next gtgt
2

• respiratory system

The organs that supply your blood with oxygen
A passageway in your throat that takes air into
and out of your lungs

• trachea

A flap of tissues in the back of your mouth that
keeps food out of your trachea

• epiglottis

3
Two passageways that branch from the trachea, one
to each lung

• bronchi

Two large organs that exchange oxygen and carbon
dioxide

• lungs

A large, dome-shaped muscle below the lungs that
expands and compresses the lungs, enabling
breathing

• diaphragm

4

• In this lesson, you will be able to
• explain why you need oxygen to live.
• name the parts of the respiratory system.
• describe the breathing process.
• identify problems of the respiratory system.

5
Sequencing As you go through this lesson,
summarize the steps of the breathing process.
The Breathing Process
6
You Need Oxygen to Live

• Your respiratory system ensures that your body
  gets the oxygen it needs.

respiratory system The organs that supply your
blood with oxygen
Body cells use oxygen to make energy from food.
7
Parts of Your Respiratory System

• The main parts of the respiratory system are
• Mouth
• Nose
• Trachea

trachea A passageway in your throat that takes
air into and out of your lungs
8
Parts of Your Respiratory System

• The main parts of the respiratory system are
• Epiglottis
• Bronchi

epiglottis A flap of tissue in the back of your
mouth that keeps food out of your trachea
bronchi Two passageways that branch from the
trachea, one to each lung
9
Parts of Your Respiratory System

• The main parts of the respiratory system are
• Lungs
• Diaphragm

lungs Two large organs that exchange oxygen and
carbon dioxide
diaphragm A large, dome-shaped muscle below the
lungs that expands and compresses the lungs,
enabling breathing
10
(No Transcript)
11
The Breathing Process
12
Problems of the Respiratory System

• Tobacco smoke, chemicals, germs, and air
  pollution are all harmful to your health because
  they can damage the many parts of the respiratory
  system.

13
Problems of the Respiratory System
Disease or Disorder Description
Asthma Disorder in which airways narrow.
Cold / Flu Illnesses caused by viruses.
Emphysema Disease in which alveoli lose their ability to stretch.
Lung Cancer Uncontrolled growth of cells that reproduce abnormally in the lungs.
Mouth and Tongue Cancer Uncontrolled growth of cells in the mouth and tongue. Almost always caused by tobacco use.
Pneumonia Bacterial or viral disease that affects the lungs.
Tuberculosis Bacterial disease that affects the lungs.
14
Cancer
Healthy Lung
Cancerous Lung
15
Cancer
Smoking
16
Cancer
SmokelessTobacco
MouthCancer
HeadCancer
NeckCancer
The smokeless tobacco user has a higher risk
ofdeveloping cancer than a smoker does.
17
Tips for Taking Care of Your Respiratory System
Avoid tobacco use.
Stay away from people who smoke. Dont go places where the air is smoky.
Take care of your body when you have a cold, the flu, or any respiratory illness.
Drink plenty of fluids.
Take deep, full breaths.
Eat a healthful diet.
Get outside and breathe fresh air.
Pay attention to any allergy alerts, ozone alerts, and pollution alerts in your area.
Be physically active on a regular basis.
18
Lesson 2 Review
What I Learned
Vocabulary Define trachea.
19
Lesson 2 Review
What I Learned
Explain Why do you need oxygen to live?
20
Lesson 2 Review
What I Learned
Identify Name the different parts of
therespiratory system.
21
Lesson 2 Review
What I Learned
List Name four respiratory illnesses.
22
Lesson 2 Review
Thinking Critically
Describe How might quitting smokeless tobacco
useaffect the health of the mouth?
23
Lesson 2 Review
Thinking Critically
Analyze Why is it important to take care of
yourrespiratory system when you have a cold or
flu?
24
End of
Chapter 8 Tobacco
Lesson 2 The Respiratory System
Click for
gtgt Main Menu
gtgt Chapter 8 Assessment