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Type: Multiple-Choice
Category: Respiration, Digestion, and Excretion
Level: Grade 6
Score: 1
Author: Crane
Last Modified: 20 days ago

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Respiration, Digestion, and Excretion Question

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Grade 6 Respiration, Digestion, and Excretion

What system is responsible for breaking down food into energy?
  1. excretory system
  2. digestive system
  3. skeletal system
  4. circulatory system
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