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Type: Multiple-Choice
Category: Respiration, Digestion, and Excretion
Level: Grade 5
Score: 1
Author: vmaria
Last Modified: 23 days ago

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Respiration, Digestion, and Excretion Question

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Grade 5 Respiration, Digestion, and Excretion

Oxygen enters the body through the                 system.
  1. respiratory
  2. excretory
  3. digestive
  4. circulatory
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