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Type: Multiple-Choice
Category: Symptoms, Diagnosis, and Treatments
Level: Grade 11
Author: Bobbbb
Created: 10 years ago

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Symptoms, Diagnosis, and Treatments Question

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Grade 11 Symptoms, Diagnosis, and Treatments

Why do we have allergic reactions?
  1. Body fights harmful substances
  2. Body fights itself
  3. Body fights harmless substances
  4. Body fights immune system