Respiration is the physical act of inspiration and exhalation of oxygen. Gas exchange is what happens in the lungs to use the oxygen that is brought in and expel the Carbon Dioxide brought back into the lungs from the cells. Respiration is the physical act of inspiration and exhalation of oxygen.
Definition of polyphony. : a style of musical composition employing two or more simultaneous but relatively independent melodic lines : counterpoint.
monophonic music - music consisting of a single vocal part (usually with accompaniment) monody, monophony. music - an artistic form of auditory communication incorporating instrumental or vocal tones in a structured and continuous manner. concerted music, polyphonic music, polyphony - music arranged in parts for several voices or instruments.