Crimey2Savage Crimey2Savage

28-03-2016
Biology

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Which of these is the human body's first line of defense against invading pathogens such as bacteria and viruses?

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crusader crusader

28-03-2016

The skin is the human body's first line of defense against pathogens.

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herrnamelittyshay herrnamelittyshay

14-12-2018

It is Skin cells because Skin cells. The covering of the human body, including the skin and the mucous membranes, is the first line of defense against invading pathogens.

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