sethhdoty sethhdoty
  • 04-08-2018
  • Biology
contestada

Which of the following is a surface barrier to infection?

skin
antibodies
antigens
lymph nodes

Respuesta :

averyverydumbguy
averyverydumbguy averyverydumbguy
  • 04-08-2018

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

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grams00
grams00 grams00
  • 23-12-2020

Answer:

SKIN.

is your answer

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