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Type: Multiple-Choice
Category: Respiration, Digestion, and Excretion
Level: Grade 5
Score: 1
Author: Asenath
Last Modified: 6 years ago

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Respiration, Digestion, and Excretion Question

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Grade 5 Respiration, Digestion, and Excretion

What system breaks down sugars and proteins?
  1. digestive system
  2. muscle system
  3. respiratory system
  4. circulatory system