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What is the main function of the respiratory system? (2020)

Practice Questions

Q1
What is the main function of the respiratory system? (2020)
  1. Circulation of blood
  2. Gas exchange
  3. Digestion of food
  4. Regulation of body temperature

Questions & Step-by-Step Solutions

What is the main function of the respiratory system? (2020)
  • Step 1: Understand that the respiratory system is a group of organs that help us breathe.
  • Step 2: Know that the main job of the respiratory system is to take in oxygen from the air.
  • Step 3: Realize that while taking in oxygen, the respiratory system also helps to remove carbon dioxide, which is a waste gas produced by our bodies.
  • Step 4: Conclude that the main function of the respiratory system is to exchange these gases: bringing in oxygen and getting rid of carbon dioxide.
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