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Type: Multiple-Choice
Category: Respiration, Digestion, and Excretion
Level: Grade 7
Tags: circulatory Syste
Author: nelko26
Last Modified: a month ago

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Respiration, Digestion, and Excretion Question

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Grade 7 Respiration, Digestion, and Excretion

What is the function of the respiratory system?
  1. extract energy from food
  2. break down food using oxygen
  3. exchange gases between air and body
  4. circulate blood throughout the body
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