Answer:
During inspiration or inhalation air moves from the larynx to trachea.
Explanation:
Respiratory pathway during inhalation of air:
Nostrils - nasopharynx - larynx - trachea (through glottis) - bronchi - bronchioles - alveoli.
Its alveoli where the actual exchange of gases take place. Alveoli is thin walled and vascular.
