What Path Does a Molecule of O₂ Take from the Nose

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