Which Of The Following Provides A First Line Of Defense Against Pathogens?

(Correct Answer Below)

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Which Of The Following Provides A First Line Of Defense Against Pathogens?

antimicrobial proteins intact skin and mucous membranes complement inflammation
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B The first line of defense against disease is intact skin and mucous membranes. If an antigen (pathogen) cannot enter the body, a secondary defense is unnecessary.

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