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0 votes
The integumentary system _____.

is the first line of defense against pathogens
is made of white blood cells and lymph nodes
identifies antigens and produces antibodies
is part of the body's passive immunity

2 Answers

3 votes

The first option. I had this test.

answered
User Daniil
by
8.2k points
6 votes
I would go with A it is the first line of defense as it is exposed to the outside world unlike the rest of your body.
answered
User Algef Almocera
by
7.8k points
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