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HELP!!! 30 POINTS!!!

Which is NOT one of the body's natural barriers against pathogens? A. stomach acid B. freckles

User ScottN
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1 Answer

1 vote

Answer:

The correct answer is option "B"

Step-by-step explanation:

Natural barriers include the skin, mucous membranes, tears, earwax, mucus, and stomach acid. Also, the normal flow of urine washes out microorganisms that enter the urinary tract.

User Mongrel Jedi
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