the lungs
Well the upper respiratory system consists of just the nose, pharynx, and larynx.
lower and upper respiratory system
Pulmonologists treat the lower respiratory system, and otolargyngologists treat the upper respiratory system.
The upper respiratory system removes gross particles from the air, warms and humidifies it, and passes it to the lower respiratory system.
it is an infection of the upper respiratory system.
It is involved in the upper respiratory system.
the upper respiratory track
upper respiratory tract
The one main organ involved in the respiratory system
No, the nose and throat are the upper respiratory system; they are above the lungs (when you are standing up).
Pharynx
The upper respiratory tract.