If the first physical and chemical (skin and saliva) barrier fail the next line of defence are the white blood cells. What are the 2 types of white blood cells?
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Card 7
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What do phagocytes do to pathogens?
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Card 8
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What is the 5 step process to phagocytosis? (part 1)
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Card 9
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What is the 5 step process to phagocytosis? (part 2)
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Card 10
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What is an antigen?
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Card 11
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What is the difference between phagocytes and lymphcytes?
