Which of the following structures is NOT part of the respiratory system? (2021)

Practice Questions

Q1
Which of the following structures is NOT part of the respiratory system? (2021)
  1. Trachea
  2. Larynx
  3. Esophagus
  4. Bronchi

Questions & Step-by-Step Solutions

Which of the following structures is NOT part of the respiratory system? (2021)
  • Step 1: Identify the structures mentioned in the question: trachea, larynx, bronchi, and esophagus.
  • Step 2: Understand what each structure does: the trachea, larynx, and bronchi are involved in breathing and air passage.
  • Step 3: Recognize that the esophagus is responsible for transporting food to the stomach, which is part of the digestive system.
  • Step 4: Conclude that since the esophagus is not involved in breathing, it is NOT part of the respiratory system.
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