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Type: Multiple-Choice
Category: Circulatory and Immune Systems
Level: Grade 12
Author: AmyBolhuis
Last Modified: 6 years ago

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Circulatory and Immune Systems Question

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Grade 12 Circulatory and Immune Systems

What is a histamine?
  1. bad cough
  2. substance released by mast cells that causes blood vessels to become more permeable
  3. allergy medication subscribed by doctors
  4. another name for a T-cell