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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

Which function is NOT performed by the kidneys?
  1. maintenance of blood pH
  2. regulation of blood volume
  3. decomposition of amino acids
  4. removal of toxins from the blood