anastaciamaseda890
anastaciamaseda890 anastaciamaseda890
  • 21-05-2019
  • Biology
contestada

NEED HELP HURRY
_____ immunity occurs when a person's immune system responds to an
antigen.

Respuesta :

devineredd52
devineredd52 devineredd52
  • 24-05-2019

Answer:

The answer is Physical. Physical immunity occurs when a person immune system responds to antigen.

Explanation:

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