Multiple Choice
What path does a molecule of O₂ take from the nose to the respiratory surface?
A) pharynx → larynx → trachea → bronchus → bronchiole → alveolus
B) larynx → pharynx → trachea → bronchus → bronchiole → alveolus
C) pharynx → larynx → bronchus → bronchiole → alveolus → trachea
D) pharynx → larynx → trachea → bronchiole → bronchus → alveolus
Correct Answer:

Verified
Correct Answer:
Verified
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