Biology for IGCSE & O level - Gas Exchange In Humans (Section 2 - No. 8)
Which of the following is the correct pathway of air from the trachea to the alveoli?
Trachea -> Bronchioles -> Bronchi -> Alveoli
Trachea -> Bronchi -> Bronchioles -> Alveoli
Trachea -> Alveoli -> Bronchi -> Bronchioles
Trachea -> Bronchi -> Alveoli -> Bronchioles
Explanation
Air moves from the trachea to the bronchi to the bronchioles and finally to the alveoli.
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