Biology for IGCSE & O level - Gas Exchange In Humans (Section 1 - No. 33)
What is the role of the bronchioles in the respiratory system?
To filter out pathogens.
To exchange gases.
To connect the trachea to the alveoli.
To regulate breathing rate.
Explanation
Bronchioles are small airways that connect the bronchi to the alveoli.
Comments (0)
