the whistling sound produced due to the movement of air through narrow airways is called
Respiratory sounds Respiratory sounds, breath sounds, or lung sounds refer to the specific sounds generated by the movement of air through the respiratory system. These may be easily audible or identified through auscultation of the respiratory system through the lung fields[1] with a stethoscope as well as from the spectral chacteristics of lung sounds.[2] These include normal breath sounds and adventitious or "added" sounds such as rales, wheezes, pleural friction rubs, stertor and stridor.