cype47
cype47
22-01-2017
Biology
contestada
One way the immune system fights pathogens
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liamklec181
liamklec181
22-01-2017
it uses white blood cells
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kdouglas1416
kdouglas1416
22-01-2017
One way the immune system fights pathogens is it uses white blood cells! (I know someone answered already haha)
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