Pathogens contain certain chemicals that are foreign to the body. These chemicals are called
antigens!
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Certain white blood cells, called
lymphocytes, can produce specific antibodies to kill a particular pathogen!
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Antibodies can...
-bind to pathogens and damage or destroy them -coat pathogens, clumping them together so that they are easily ingested by white blood cells called phagocytes.
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Each lymphocyte produces a specific type of antibody..
a protein that has a chemical 'fit' to a certain antigen!
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When a lymphocyte with the appropriate antibody meets the antigen, the lymphocyte..
reproduces quickly and makes many copies of the antibody to kill the pathogen.
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What is a vaccination?
Vaccination involves putting a small amount of an inactive form of a pathogen, or dead pathogen, into the body.
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Vaccinations can contain..
-live pathogens treated to make them harmless -harmless fragments of the pathogen -dead pathogens.
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Other cards in this set
Card 2
Front
Certain white blood cells, called
Back
lymphocytes, can produce specific antibodies to kill a particular pathogen!
Card 3
Front
Antibodies can...
Back
Card 4
Front
Each lymphocyte produces a specific type of antibody..
Back
Card 5
Front
When a lymphocyte with the appropriate antibody meets the antigen, the lymphocyte..
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