The act of breathing with the LUNGS, consisting of INHALATION, or the taking into the lungs of the ambient air, and of EXHALATION, or the expelling of the modified air which contains more CARBON DIOXIDE than the air taken in (Blakiston's Gould Medical Dictionary, 4th ed.). This does not include tissue respiration (
Breathing
D012120
Respiration Disorders
Diseases of the respiratory system in general or unspecified or for a specific respiratory disease not available.