Biology, 29.01.2020 15:04 smallsbjs

All of the following prevent pathogens from entering the human body except
a. red blood cells
b. tears
c. mucus
d. skin

Answers: 2

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All of the following prevent pathogens from entering the human body except a. red blood cells b. tears c. mucus d. skin

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Another question on Biology

All of the following prevent pathogens from entering the human body except
a. red blood cells
b. tears
c. mucus
d. skin