carolineandlily
carolineandlily carolineandlily
  • 09-11-2017
  • English
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26 points hurry








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

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mastercookie55
mastercookie55 mastercookie55
  • 09-11-2017
The body's first line of defense against pathogens are skin, tears, saliva, stomach acids, cilia, and neutrophils. 
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Аноним Аноним
  • 11-11-2018

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


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