Which of the following is a primary function of the respiratory system?

Practice Questions

Q1
Which of the following is a primary function of the respiratory system?
  1. Transporting nutrients
  2. Gas exchange
  3. Hormone production
  4. Waste elimination

Questions & Step-by-Step Solutions

Which of the following is a primary function of the respiratory system?
  • Step 1: Understand what the respiratory system is. It includes organs like the nose, trachea, and lungs.
  • Step 2: Learn what gas exchange means. It is the process of taking in oxygen and getting rid of carbon dioxide.
  • Step 3: Identify the main job of the respiratory system. Its primary function is to help with gas exchange.
  • Step 4: Remember that oxygen enters the blood and carbon dioxide is expelled from the body.
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