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Type: Multiple-Choice
Category: Circulatory and Immune Systems
Level: Grade 9
Author: maiiats
Last Modified: 6 months ago

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Circulatory and Immune Systems Question

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Grade 9 Circulatory and Immune Systems

What does the circulatory system consist of?
  1. brain, lungs, heart
  2. heart, lungs, blood
  3. heart, blood vessels, blood
  4. blood vessels, lungs, blood
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