Multiple choice

The conducting part of the respiratory system is the part starting with the external nostrils up to the terminal bronchioles. Which of the following is not a function of the conducting part?

  1. It brings the air to body temperature.

  2. It is the site of actual diffusion of oxygen and carbon dioxide between the alveoli and a network of tiny blood vessels called capillaries.

  3. It humidifies the atmospheric air.

  4. It clears the atmospheric air.

  5. It transports the atmospheric air to the alveoli.

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is the correct option as this is not a function of the conducting part. Alveoli and their ducts form the exchange part of the respiratory system.