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In maintaining the overall health of the human body, what is the immune system's first line of defense against invading pathogens?
In maintaining the overall health of the human body, the immune system's first line of defense against invading pathogens is: the nonspecific defenses, including the skin and mucous membranes.
Expert answered|sharpies|Points 8421|
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Asked 9/7/2012 11:27:00 AM
Updated 12/20/2016 5:21:44 PM
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This answer has been confirmed as correct and helpful.
Edited by Janet17 [12/20/2016 5:21:42 PM], Confirmed by Janet17 [12/20/2016 5:21:44 PM]
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