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Type: Multiple-Choice
Category: Respiration, Digestion, and Excretion
Level: Grade 8
Author: Chensley
Last Modified: 11 days ago

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Respiration, Digestion, and Excretion Question

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Grade 8 Respiration, Digestion, and Excretion

The lungs, nose, mouth, pharynx, and alveoli are structures of the                 system.
  1. lymphatic
  2. cardiovascular
  3. respiratory
  4. circulatory
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