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Type: Multiple-Choice
Category: Circulatory and Immune Systems
Level: Grade 7
Tags: Cardiovascular, heart
Author: Renooy
Last Modified: 11 days ago

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Circulatory and Immune Systems Question

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Grade 7 Circulatory and Immune Systems

Where does oxygen-poor blood enter the heart?
  1. right ventricle
  2. right atrium
  3. left ventricle
  4. left atrium
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