What is the term for the total amount of air the lungs can hold?

The term for the total amount of air the lungs can hold is Total Lung Capacity (TLC). This measurement encompasses all the air present in the lungs after maximal inhalation, combining several components: the tidal volume (the amount of air inhaled or exhaled during normal breathing), the inspiratory reserve volume (additional air that can be inhaled after a normal inhalation), the expiratory reserve volume (air that can be forcefully exhaled after a normal exhalation), and the residual volume (the air that remains in the lungs after maximal exhalation). Understanding TLC is crucial because it provides insight into the overall capacity of the lungs and can indicate various respiratory conditions or the effectiveness of lung function.