Question Info

This question is public and is used in 247 tests or worksheets.

Type: Multiple-Choice
Category: Respiration, Digestion, and Excretion
Level: Grade 7
Score: 4
Author: jlovering
Last Modified: 6 years ago

View all questions by jlovering.

Respiration, Digestion, and Excretion Question

View this question.

Add this question to a group or test by clicking the appropriate button below.

Grade 7 Respiration, Digestion, and Excretion

What is the purpose of the respiratory system?
  1. to break down food for energy and nutrients
  2. to facilitate the exchange of oxygen and carbon dioxide
  3. to provide response to stimuli in the world around us
  4. to provide structure and support for the body