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This question is public and is used in 3 groups and 319 tests or worksheets.

Type: Multiple-Choice
Category: Respiration, Digestion, and Excretion
Level: Grade 5
Score: 4
Tags: respiratory system
Author: megsmill
Last Modified: a year ago

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Respiration, Digestion, and Excretion Question

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Grade 5 Respiration, Digestion, and Excretion

Which system works with breathing oxygen into the lungs?
  1. digestive system
  2. respiratory system
  3. nervous system
  4. excretory system
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