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Type: Multiple-Choice
Category: Circulatory and Immune Systems
Level: Grade 7
Score: 6
Author: MaryGuerriero
Last Modified: 4 years ago

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Circulatory and Immune Systems Question

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Grade 7 Circulatory and Immune Systems

The heart muscle pumps blood through the
  1. respiratory system.
  2. nervous system.
  3. digestive system.
  4. circulatory system.
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