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Type: Multiple-Choice
Category: Respiration, Digestion, and Excretion
Level: Grade 11
Tags: respiratory system
Author: nikkib76
Last Modified: a month ago

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Respiration, Digestion, and Excretion Question

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Grade 11 Respiration, Digestion, and Excretion

The                 system is the body system in which gas exchange takes place.
  1. respiratory
  2. circulatory
  3. lymphatic
  4. metabolic
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