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Type: Multiple-Choice
Category: Respiration, Digestion, and Excretion
Level: Continuing Education
Author: InezJohnson
Created: 4 years ago

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Respiration, Digestion, and Excretion Question

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Continuing Education Respiration, Digestion, and Excretion

What is the body system that breaks down food into substances our body can use?
  1. circulatory system
  2. digestive system
  3. nervous system
  4. endocrine system
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