(HealthDayNews) -- On an average day, you require 19.5 cubic feet of air to breathe. Over a lifetime, you will use enough air to fill 2-1/2 blimps.
According to the Doubleday and Co. book Amazing Facts About Your Body, the lungs are made up of about 300 million alveoli, tiny, thin-walled, capillary-rich sacs which, if combined and flattened out, would cover half a tennis court.
In addition, the right lung takes in more air than the left. And the wind speed of normal breathing is 6.6 feet per second, the same as a gentle breeze.
