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Type: Multiple-Choice
Category: Circulatory and Immune Systems
Level: Grade 9
Score: 1
Author: gatorzona
Last Modified: 7 years ago

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Circulatory and Immune Systems Question

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Grade 9 Circulatory and Immune Systems

How many total chambers does the human heart have?
  1. 3
  2. 5
  3. 2
  4. 4