What is the lung capacity of an 11-year-old boy?

Patient's question:

No

Doctor's answer:

Vital capacity refers to the maximum amount of air that can be exhaled after a maximum inhalation under unlimited time, representing the maximum functional activity of the lungs and serving as one of the important functional indicators reflecting human growth and development. Generally, it ranges between 1500-2000. If it is lower, it may indicate a lack of exercise.