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What is the primary function of the respiratory system in the human body? (2021)

Practice Questions

Q1
What is the primary function of the respiratory system in the human body? (2021)
  1. To circulate blood
  2. To exchange gases
  3. To digest food
  4. To regulate temperature

Questions & Step-by-Step Solutions

What is the primary function of the respiratory system in the human body? (2021)
  • Step 1: Understand that the respiratory system is a group of organs in the body.
  • Step 2: Know that the main job of the respiratory system is to help us breathe.
  • Step 3: Recognize that when we breathe in, we take in oxygen, which is important for our body.
  • Step 4: Realize that when we breathe out, we get rid of carbon dioxide, which is a waste product.
  • Step 5: Conclude that the primary function of the respiratory system is to exchange these gases: taking in oxygen and expelling carbon dioxide.
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