The body develops and maintains itself over time.

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CHAPTER
NEW CHAPTER
Growth, Development, and Health
The body develops and maintains itself over time.
5.1
The human body changes over time.
5.2
Systems in the body function to maintain health.
5.3
Science helps people prevent and treat disease.
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5.1
The human body changes over time.
Your body develops and grows throughout your
entire life. Some changes are physical
and some are emotional.
infancy
The stages of life are infancy, childhood,
adolescence, adulthood, and later adulthood.
childhood
All the different systems in the body interact
to maintain your health.
adolescence
adulthood
SECTION OUTLINE
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infancy
5.1
The human body changes over time.
infancy
childhood
adolescence
The stage of life that begins at birth and ends
when a baby begins to walk.
adulthood
KEY CONCEPT SUMMARY
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childhood
5.1
The human body changes over time.
infancy
childhood
adolescence
The stage of life after infancy and before the
beginning of sexual maturity.
adulthood
KEY CONCEPT SUMMARY
5
adolescence
5.1
The human body changes over time.
infancy
childhood
adolescence
The stage of life from the time a human body
begins to mature sexually to adulthood.
adulthood
KEY CONCEPT SUMMARY
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adulthood
5.1
The human body changes over time.
infancy
childhood
adolescence
The stage of life that begins once a human body
completes its growth and reaches sexual maturity.
adulthood
KEY CONCEPT SUMMARY
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Systems in the body function to maintain health.
5.2
Your diet affects your health.
nutrition
addiction
SECTION OUTLINE
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nutrition
5.2
Systems in the body function to maintain health.
nutrition
addiction
The study of the materials that nourish the body.
KEY CONCEPT SUMMARY
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addiction
5.2
Systems in the body function to maintain health.
nutrition
addiction
A physical or psychological need for a
habit-forming substance, such as alcohol or drugs.
KEY CONCEPT SUMMARY
10
Science helps people prevent and treat disease.
5.3
Science helps people fight disease.
Antibiotics are used to fight diseases caused
by bacteria.
microorganism
bacteria
Infectious disease can spread in many ways
including food, air, water, insects, animals, and
person-to-person contact.
virus
resistance
Noninfectious diseases are not contagious. Some
of these noninfectious diseases are present at
birth and others occur in later life.
SECTION OUTLINE
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microorganism
5.3
Science helps people prevent and treat disease.
microorganism
bacteria
A very small organism that can be seen only with
a microscope. Bacteria are examples of
microorganisms.
virus
resistance
KEY CONCEPT SUMMARY
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bacteria
5.3
Science helps people prevent and treat disease.
microorganism
bacteria
A large group of one-celled organisms that
sometimes cause disease. Bacteria is a plural
word the singular is bacterium.
virus
resistance
KEY CONCEPT SUMMARY
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virus
5.3
Science helps people prevent and treat disease.
microorganism
bacteria
A nonliving disease-causing particle that uses
the materials inside cells to make copies of
itself. A virus consists of genetic material
enclosed in a protein coat.
virus
resistance
KEY CONCEPT SUMMARY
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resistance
5.3
Science helps people prevent and treat disease.
microorganism
bacteria
1. The ability of an organism to protect itself
from a disease or the effects of a substance.
virus
resistance
2. The property of a material that determines how
easily a charge can move through it. Resistance
is measured in ohms.
KEY CONCEPT SUMMARY
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5.1
The human body changes over time.
I. The human body changes over time.
infancy
A. The human body develops and grows.
childhood
1. Infancy
adolescence
2. Childhood
adulthood
3. Adolescence
4. Adulthood
5. Later Adulthood
B. Systems interact to maintain the human body.
KEY CONCEPT SUMMARY
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Systems in the body function to maintain health.
5.2
II. Systems in the body function to maintain
health.
nutrition
A. Diet affects the bodys health.
addiction
1. Getting Nutrients
2. Understanding Nutrition
B. Exercise is part of a healthy lifestyle.
1. Exercise
2. Lifestyle
C. Drug abuse, addiction, and eating disorders
cause serious health problems.
1. Drug Abuse
2. Addiction
3. Eating Disorders
KEY CONCEPT SUMMARY
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Science helps people prevent and treat disease.
5.3
III. Science helps people prevent and treat
disease.
microorganism
A. Scientific understanding helps people fight
disease.
bacteria
B. The germ theory describes some causes of
disease.
virus
resistance
1. Bacteria and Viruses
2. Treating Infectious Diseases
C. Infectious diseases spread in many ways.
1. Food, Air, Water
2. Contact with Insects and Other Animals
3. Person-to-Person Contact
KEY CONCEPT SUMMARY
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Science helps people prevent and treat disease.
5.3
III. Science helps people prevent and treat
disease.
microorganism
D. Noninfectious diseases are not contagious.
bacteria
1. Diseases Present at Birth
virus
2. Diseases Later in Life
resistance
E. Scientists continue efforts to prevent
and treat illness.
KEY CONCEPT SUMMARY