Respiratory System

Respiration and Breathing

How much air is required by the body for general activities?

The body requires 8 quarts (7.6 liters) of air per minute when lying down, 16 quarts (15.2 liters) when sitting, 24 quarts (22.8 liters) when walking, and 50 quarts (47.5 liters) when running.


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