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Type: Multiple-Choice
Category: Respiration, Digestion, and Excretion
Level: Grade 6
Author: bonanjo
Last Modified: 6 years ago

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Respiration, Digestion, and Excretion Question

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Grade 6 Respiration, Digestion, and Excretion

Gas exchange between the lungs and circulatory system occurs at the
  1. larynx.
  2. nose.
  3. bronchi.
  4. alveoli.