Tidal lung capacity, also known as tidal volume, refers to the amount of air that is inhaled or exhaled during a single breath. It represents the normal, resting breathing pattern where the lungs fill and empty with each breath. Tidal lung capacity is a fundamental measurement in respiratory physiology and is typically expressed in milliliters (mL) or liters (L). It can vary based on factors such as age, gender, and physical condition.
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