Physiology General 193391be The tidal volume is A The amount of air that normally moves into (or out of) the lung with each respiration. B The amount of air that enters the lung but does not participate in gas exchange. C The largest amount of air expired after maximal expiratory effort. D The largest amount of gas that can be moved into and out of the lungs in 1 min. High-Yield Explanation The amount of air that moves into the lungs with each inspiration (or the amount that moves out with each expiration) is called the tidal volume.