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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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5 votes
All of the following prevent pathogens from entering the human body except

a. red blood cells
b. tears
c. mucus
d. skin

User Coffka
by
8.8k points

1 Answer

6 votes
A. red blood cells. They carry oxygen around the body, not protect from pathogens.
User Yzorg
by
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