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Type: Multiple-Choice
Category: Respiration, Digestion, and Excretion
Level: Grade 7
Author: Gabrielle_Miller
Last Modified: 6 years ago

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Respiration, Digestion, and Excretion Question

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Grade 7 Respiration, Digestion, and Excretion

What is the respiratory system?
  1. breathing system
  2. nerve system
  3. food processing system
  4. blood transporting system