B1 Revision(How our bodies defend ourseleves)

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Microorganism
Small organisms, seen under a microscope e.g. bacteria and viruses
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Pathogen
A microorganism that can cause an infectious disease.
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Bacteria
Single-celled microorganism. They don't have DNA in the nucleus.
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Virus
Very infectious pathogen. Can only reproduce in a host cell.
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Toxin
Poison
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Symptoms
How you feel when you have a disease.
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Painkiller
Drug that stops you feeling pain.
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Antibiotic
Chemical that can be used as medicine to kill bacteria.
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Antibiotic Resistance
The ability some bacteria develop meaning that an antibiotic will not kill them anymore.
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Immune System
Your body's system that fights infections.
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Antibody
Special protein in the body that can bind to a particular pathogen and destroy it.
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Antigen
Special protein on the surface of pathogenic cells.
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Immunity
After you have made antibodies to a pathogen, you are able to fight off the pathogen in future without getting ill.
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Immunisation
Medical procedure that involves injecting dead or inactive pathogens into a patient to stimulate the body into creating antibodies.
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Epidemic
Sudden outbreak of a disease that affects many people within a country.
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Pandemic
Epidemic that sweeps across continents or the world.
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Other cards in this set

Card 2

Front

A microorganism that can cause an infectious disease.

Back

Pathogen

Card 3

Front

Single-celled microorganism. They don't have DNA in the nucleus.

Back

Preview of the back of card 3

Card 4

Front

Very infectious pathogen. Can only reproduce in a host cell.

Back

Preview of the back of card 4

Card 5

Front

Poison

Back

Preview of the back of card 5
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