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Immunity

B1 Biology - Immunity and Vaccination

QuestionAnswer
Five barriers to stop pathogens entering your body. Skin, tears, blood clotting, stomach acid, mucus
The system in your body that deals with disease? Immune system
White blood cells that engulf pathogens Phagocyte
Lymphocytes produce these. Antibodies and antitoxins
Protein markers found on the surface of cells Antigens
Chemicals produced by your body which attach to antigens Antibodies
When pathogens are coated with antibodies, they are attacked by? White blood cells
You have this when you can no longer catch a disease. Immunity
The process where dead or changed pathogens are injected into your body. Vaccination
This can make someone immune to a disease without ever having the disease. Immunisation
Why do we need new flu vaccines every year? The antigens on the virus change each year
The spread of a disease across a whole country Epidemic
The spread of a disease across a whole continent Pandemic
Created by: Zigs.uk
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