A. bronchi ⇢ trachea ⇢ alveoli ⇢ bronchioles
B. bronchioles ⇢ alveoli ⇢ bronchi ⇢ trachea
C. trachea ⇢ bronchi ⇢ bronchioles ⇢ alveoli
D. trachea ⇢ bronchioles ⇢ bronchi ⇢alveoli
Correct Answer:
Option C – trachea ⇢ bronchi ⇢ bronchioles ⇢ alveoli