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Type: Multiple-Choice
Category: Respiration, Digestion, and Excretion
Level: Grade 5
Score: 1
Author: awillis
Last Modified: 2 years ago

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Respiration, Digestion, and Excretion Question

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Grade 5 Respiration, Digestion, and Excretion

What system are the lungs, kidneys, and skin part of?
  1. digestive
  2. respiratory
  3. circulatory
  4. excretory
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