parrajen676
parrajen676 parrajen676
  • 24-03-2020
  • Health
contestada

The skin and ________ are physical barriers to infection.

A) Immune System

B) Immunization

c) Acquired

Respuesta :

AnonymousUniverse
AnonymousUniverse AnonymousUniverse
  • 24-03-2020

Answer:

The answer is A) Immune System

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