Pathogens are disease causing organisms, they produce the symptoms of an infectious disease by damaging the body's cells or producing poisonous waste products called toxins.
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What are antibodies?
Antibodies are produced by the body to protect himself, antibodies lock into antigens on the surface of pathogens such as bacterium. This kills the pathogen.
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What do white blood cells do?
White blood cells produce antibodies, resulting in active immunity. This can be a slow process but it has a long-lasting effect.
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What is a vaccination?
It starts with injecting a harmless pathogen carrying antigens. The antigens trigger a response by white blood cells, producing the correct antibodies. Memory cells remain in the body, providing long-lasting immunity to that disease.
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Is immunisation a good thing?
Immunisation carries a small risk to the individual, but it avoids the potentially lethal effect of the pathogen, as well as decreasing the risk of spreading the disease?
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Card 2
Front
What are antibodies?
Back
Antibodies are produced by the body to protect himself, antibodies lock into antigens on the surface of pathogens such as bacterium. This kills the pathogen.
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