Describe how pathogens cause infections and describe how the immune system defends the body against these pathogens.
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pathogens manage to pass the non-specific first line of defence then they will cause an infection. However, the body has a second line of defence to stop or minimise this infection. This is called the immune system. As a part of this there are two types of white blood cell called phagocytes and lymphocytes.
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The pathogens cause infections by entering the body.
Explanation:
The immune system uses white blood cells to destroy the cause of the infection to protect the body.
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