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what is the body's first line of defense against pathogens.

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User Curd
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2 Answers

1 vote

skin,wax in ears,skin and mucous membrane in the mouth and nose hope this helps


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User Sookie
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The body's first line of defense against pathogens are skin, tears, saliva, stomach acids, cilia, and neutrophils. 
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User RobertT
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