Question

Which of the following are functions of components of the respiratory system?

• A. Warming and moistening of inhaled air
• B. Delivering oxygen to and removing carbon dioxide from the blood
• C. Sound production by the vibration of vocal cords
• D. All of these

Answer 1

The correct option is D

All of these

The respiratory system consists of the following structures: nose, pharynx, larynx, trachea, bronchi, lungs. These structures collectively perform the following functions:
- warming and moistening of inhaled air

- delivering oxygen to and removing carbon dioxide from the blood

- sound production by the vibration of vocal cords