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Type: Multiple-Choice
Category: Circulatory and Immune Systems
Level: Grade 12
Author: MariaBri
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 are the cells responsible for attacking infection-causing pathogens?
  1. leukocytes
  2. erythrocytes
  3. platelets
  4. plasma