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Type: Multiple-Choice
Category: Circulatory and Immune Systems
Level: Grade 6
Author: debblades
Last Modified: a year ago

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Circulatory and Immune Systems Question

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Grade 6 Circulatory and Immune Systems

What are the three parts of the circulatory system?
  1. lungs, heart, and blood vessels
  2. heart, brain, and spinal cord
  3. heart, blood vessels, and lungs
  4. heart, blood, and blood vessels
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