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Type: Multiple-Choice
Category: Respiration, Digestion, and Excretion
Level: Grade 7
Score: 1
Author: Puppyloverxx1234
Last Modified: 2 months ago

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Respiration, Digestion, and Excretion Question

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Grade 7 Respiration, Digestion, and Excretion

The respiratory system supplies the body with
  1. oxygen.
  2. carbon dioxide.
  3. air.
  4. trachea.
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