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Type: Multiple-Choice
Category: Circulatory and Immune Systems
Level: Grade 10
Score: 1
Author: sllong0124
Last Modified: 2 months ago

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Circulatory and Immune Systems Question

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Grade 10 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
  4. heart, arteries, and veins
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