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Type: Multiple-Choice
Category: Respiration, Digestion, and Excretion
Level: None
Author: bmascara
Created: 9 years ago

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Respiration, Digestion, and Excretion Question

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None Respiration, Digestion, and Excretion

The                 are a part of the respiratory system.
  1. Lungs
  2. Heart
  3. Spleen
  4. Skin