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Which of the following is a surface barrier to infection? skin antibodies antigens lymph nodes
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Which of the following is a surface barrier to infection?

skin
antibodies
antigens
lymph nodes

User Ddango
by
7.3k points

2 Answers

5 votes

Answer:

SKIN.

is your answer

User LaYer Sutachad
by
7.9k points
6 votes

the answer is >skin< antibodies are used to combat infection

User Nacho Mezzadra
by
7.3k points
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