The average breathing rate is 12 breaths per minute. Tidal volume (TV) is the amount of air breathed in with each normal breath. The average tidal volume is 0.5 litres (500 ml). Minute ventilation ...

Tidal volume is the amount of air breathed in with each normal breath. The average tidal volume is 0.5 litres (500 ml). Inspiratory reserve volume is the maximum amount of additional air that can ...

One hundred and sixty-seven untrained laymen and doctors served as operators, their degree of success being measured by the size of the tidal volume of respiration introduced in the subjects.