anastaciamaseda890 anastaciamaseda890

21-05-2019
Biology

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

Respuesta :

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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