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Type: Multiple-Choice
Category: Circulatory and Immune Systems
Level: Grade 11
Author: sllong0124
Last Modified: 14 days ago

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Circulatory and Immune Systems Question

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Grade 11 Circulatory and Immune Systems

The circulatory system is composed of the
  1. lungs, heart, and brain.
  2. lungs, blood vessels, and heart.
  3. heart, blood, and blood vessels.
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