environmental health chapter 9 environmental science
TRANSCRIPT
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ENVIRONMENTAL HEALTH
Chapter 9
Environmental Science
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SECTION 1
Central Case
What is the relationship
between environmental health
and our own health?
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SECTION 1
Objectives
1. List the types of environmental health hazards
2. Compare and contrast epidemiology and
toxicology
3. Describe the reasons why individuals respond
differently to the same environmental hazards
4. Discuss risk assessment
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SECTION 1
In what ways can a leaky sewer line
threaten your health?
Think on your then share with a partner
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SECTION 1
The study of how environmental
factors affect human health and our
quality of life is called:
Factors that threaten or are harmful
to human health are called:
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SECTION 1
Types of Environmental Hazards• 1
• Pathogens:
• 2• Examples:
• 3• 4
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SECTION 1
Epidemiology
1.
2.
3.
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SECTION 1
Toxicology
1.
2.
3.• 1• 2
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SECTION 1
Dose-Response Relationship
1.
2
3• 1.
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SECTION 1
Individual Responses to hazards
Factors affecting response: 1 2 3 4 5
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SECTION 1
Sensitivity
1.
2
Genetics
1
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SECTION 1
Risk Assessment
1.
2• 1• 2• 3
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SECTION 1
Risk Assessment Steps• 1.• 2
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SECTION 2
Objectives
1. Describe how infectious diseases spread
2. Explain why emerging diseases are important to
monitor and control
3. Differentiate between social hazards that are
lifestyle choices and those that cannot be controlled
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SECTION 2
Infectious Diseases• Spread by:• 1• 2• 3
Account for _____________ of all deaths each year
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SECTION 2
Human Contact
Can be transmitted by ___________, ________________,
_________________, ________________, __________________.
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SECTION 2
Contaminated water or food
Other organisms
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SECTION 2
Reducing Risk
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SECTION 2
Emerging Diseases
1.
2. An outbreak that becomes widespread and
affects a whole region, continent, or the world is a
_________________.
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SECTION 2
Why diseases spread:
1.
2
3
4
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SECTION 2
Responding to Emerging Diseases• International response:
• National response:
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SECTION 2
Social Hazards • Ones you control:
• Ones out our your control:
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SECTION 3
Objectives
1. Explain what makes chemicals hazardous
2. Discuss how chemical hazards affect human health
3. List some indoor chemical hazards
4. Discuss where chemical hazards can be found in
the environment
5. Discuss biomagnification
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SECTION 3
Chemical Hazards
––––––––––––: matter or energy released into the
environment, causing negative effects that impact
people, wildlife, and other aspects of the
environment
examples
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SECTION 3
Types of Chemical Hazards
1.
2.
3.
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SECTION 3
4.
5.
6.
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SECTION 3
Indoor Chemical Hazards
1.
2
3.
4
5
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SECTION 3
Outdoor Chemical Hazards
1
2
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SECTION 3
3.
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SECTION 3
Biomagnification
The buildup of large concentrations of toxic
substances in the body is _______________________.
Biomagnification:
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SECTION 3
Persistent Organic Pollutants
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SECTION 4
Objectives
1. Discuss how earthquakes affect structures on
Earth’s surface
2. Discuss how volcanoes affect human lives and
property
3. Describe tornadoes, hurricanes, and
thunderstorms
4. Discuss the dangers of avalanches
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SECTION 4
Earthquakes
Causes:
Surface effects:• Landslides• Tsunamis:
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SECTION 4
Volcanoes:
Causes:
Damage:
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SECTION 4
Storms
Tornadoes
Hurricanes
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SECTION 4
Thunderstorms
Avalanches