Trace the path of an inhaled air molecule.
A) nasal cavity → glottis → larynx → trachea → pharynx → bronchi → bronchioles → alveoli
B) nasal cavity → pharynx → larynx → glottis → trachea → bronchi → bronchioles → alveoli
C) nasal cavity → pharynx → glottis → larynx → trachea → bronchi → bronchioles → alveoli
D) nasal cavity → pharynx → glottis → larynx → trachea → bronchioles → bronchi → alveoli
E) nasal cavity → pharynx → glottis → trachea → larynx → bronchi → bronchioles → alveoli

Question

Quizplus · Accepted Answer

The correct path of an inhaled air molecule is nasal cavity → pharynx → glottis → larynx → trachea → bronchi → bronchioles → alveoli. This is because air enters the body through the nose (nasal cavity) and then travels through the pharynx and glottis (part of the throat) before entering the larynx (voice box) and trachea (windpipe). From there, it continues through the bronchi (large airways in the lungs) and into the smaller bronchioles, eventually reaching the alveoli (tiny air sacs in the lungs where gas exchange occurs). Option C is the only choice that has the correct order of these structures.

Trace the Path of an Inhaled Air Molecule