Seudónimo Seudónimo
  • 29-04-2020
  • Biology
contestada

The main parts of the first line of defense for the human body against disease are______ and _______ .

Relax

Respuesta :

elpapomojao
elpapomojao elpapomojao
  • 29-04-2020
I believe that the answers are physical and chemical barriers.
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