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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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May 19, 2017
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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
Biology
high-school
Camposer
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Red blood cells-(a)they carry oxygen around the body not protect from pathogens
CrayonViolent
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May 25, 2017
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CrayonViolent
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