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05-06-2019
Biology

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HELP!!! 30 POINTS!!!
Which is NOT one of the body's natural barriers against pathogens? A. stomach acid B. freckles

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Аноним Аноним

05-06-2019

Answer:

The correct answer is option "B"

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.

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