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Type: Multiple-Choice
Category: Respiration, Digestion, and Excretion
Level: Grade 9
Author: nadstheteacher
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 larynx is to
  1. allow food to enter.
  2. exchange oxygen for carbon dioxide.
  3. warm and moisten air before entering the lungs.
  4. produce sound.