anRaulcantez
anRaulcantez anRaulcantez
  • 09-08-2016
  • Biology
contestada

Which is the first line of defense against the invasion of pathogens?
a. subcutaneous tissue
b. skin
c. adipose tissue
d. melanocytes e. nail body

Respuesta :

liza116 liza116
  • 15-08-2016
skin is always the first line of defence
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