Johannosmith1 Johannosmith1

07-01-2017
Biology

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NEED HELP
Which of the following does not prevent pathogens from entering the human body
A red blood cells?
B tears
c mucus
D skin

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thehuylui thehuylui

07-01-2017

Red Blood Cells.
Tears washes your eyes, removing any pathogen there
Mucus prevent pathogens from entering through the respiratory system
And the skin, well, you know what it does xD

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