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Type: Multiple-Choice
Category: Circulatory and Immune Systems
Level: Grade 11
Author: sllong0124
Last Modified: 9 days ago

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Circulatory and Immune Systems Question

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Grade 11 Circulatory and Immune Systems

What helps to cleanse the blood and remove damaged blood cells from the circulatory system?
  1. heart
  2. kidneys
  3. colon
  4. spleen
  5. lungs
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