evaraynor evaraynor

02-10-2016
Biology

contestada

Which of these is the human body's first line of defense against invading pathogens such as bacteria and viruses? A) body temperature B) macrophages C) skin cells D) vitamins

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samantha84848 samantha84848

02-10-2016

The answer is C- skin. The skin is the first line of defense and is non-specific.

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nanthony1 nanthony1

25-09-2018

The answer is more then -c

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