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Drugs Essay

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Below is an essay on "Drugs" from Anti Essays, your source for research papers, essays, and term paper examples.

Objectives
ldentify the

causes of

infectious diseases.

Describe four waYs in
which infectious diseases

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are spread.

Vocabulary
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infectious disease
microorganism
pathogen
bacteria
toxin
virus
fungi
protozoan

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Myth There isn't mtich a person

can do to avoid spreading

or catching a cold or the flu.

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Fact About 80o/o of infectious diseases are spread
by hand contact. Washing your hands with soap
and water is a simple and effective way to
prevent the spread of colds and the flu.

Irffilfilltt Do you think most teens wash
their hands as much as they should? What do
you think are some ways to encourage more
frequent hand washing?
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Causes

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of lnfectious Diseases

For as long as there have been humans, there have been infectious dis(in rEr
eases. Also known as communicable diseases, infectious diseases
shus) are caused by organisms or viruses that enter and multiply within
the human body. Most disease-causing organisms and viruses are so small
that they can be seen only through a microscope. Organisms this small are
called microorganisms (mykroh awn guh niz ums).
Not all microorganisms that enter and live in your body cause disease.
In fact, many are present in your body all the time. Billions of microorganisms live in your mouth, on your skin, and in your digestive tract.
Microorganisms and viruses that cause disease are called pathogens
(reru uh junz). Pathogens do not belong in your body. Pathogens can cause
an infectious disease when they enter your body and multiply. There are
manykinds of pathogens. Some examples are shown in Figure 1'

Bacteria

Bacteria (bak rrpn ee uh) are simple, single-celled microorganisms. Bacteria live in air, soil, food, and in and on the bodies of
plants and animals, including you. Most...

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MLA Citation

"Drugs". Anti Essays. 10 Dec. 2018

<http://parimatch-stavka7.com/free-essays/Drugs-384166.html>

APA Citation

Drugs. Anti Essays. Retrieved December 10, 2018, from the World Wide Web: http://parimatch-stavka7.com/free-essays/Drugs-384166.html


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