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Type: Multiple-Choice
Category: Respiration, Digestion, and Excretion
Level: Grade 9
Author: JVance
Last Modified: 7 years ago

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Respiration, Digestion, and Excretion Question

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Grade 9 Respiration, Digestion, and Excretion

The function of the excretory system is to help maintain homeostasis by
  1. removing wastes.
  2. absorbing nutrients.
  3. preventing infection.
  4. breaking down nutrients.