During inspiration the main current of air flow in a normal nasal cavity is through:
(a) Middle part of the cavity in a parabolic curve(Ref. Cummings, 6th ed., 626)The main current of airflow passes through the middle part of the nose in a parabolic curve both during inspiration and expiration.
Middle part of the cavity in a parabolic curve
Lower part of the cavity in a parabolic curve
Superior part of the cavity in a parabolic curve
Through olfactory area
Congenital Lesions and Stridor