lucaswright20001 lucaswright20001

25-10-2018
Biology

contestada

An inappropriate immune system response against a nonpathogenic antigen is a(an)?

A. Autoimmune disease
B. Secondary immune reaction
C. Allergic reaction
D. Vaccination reaction

Respuesta :

spade21 spade21

29-10-2020

Answer:

b

Explanation:

i had a test on it

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