angjim angjim
  • 12-04-2017
  • Health
contestada

Which is one of the body's natural barriers against pathogens? A. mucous membranes B. tears C. skin D. all of the above

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jg3171539
jg3171539 jg3171539
  • 12-04-2017
the correct choice is D
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masonlawiii
masonlawiii masonlawiii
  • 12-04-2017
The answer is A) Mucous membranes, and C) the skin
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