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Chapter 3
Bacteria, Viruses and Parasites
7
Other
Undergraduate 1
02/22/2009
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Term
Aids
 Definition
Acquired Immunodeficiancy Syndrome; a diesease caused by HIV viruses that breaks down the bodys immune system.
Term

Ways the body fights infections

 

 Definition

a). Unbroken skin, which is the bodys first line of defense.

b). Bodys segerations,perspiration and digestive juices.

c). White cells within the bloodstream destroy bacteria.

D). Antoxins produced by bacteri and viruses.

 
Term

Difference between Viruses and Bacteria

 

 Definition

Viruses only can live by penetrationg cells and becoming part of them.

Bacteria can live on their own.
Term
HIV is transmitted through-
 Definition

a). Unprotected sex

B). Sharp needles by intravenous drug users

c). Can enter the bloodstream through cuts and sores.
Term
Bacilli
 Definition
Short rod shaped bacteria, the most common bacteria that produces diesease such as tatan (lockjaew) typhoid fever, tuberculosis, and diphteria.
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