How Does Breathing on an Airplane Work?

Have you wondered where the oxygen comes from in airplanes? Apparently, it comes from the air outside the fuselage. It doesn’t matter how big the plane is or how high it’s flying; there’s always enough oxygen.

Airplanes can provide passengers with a comfortable and secure space by drawing on this virtually endless supply of oxygen. The cabin is safe to breathe in, and there shouldn’t be any problems with your respiration, even at the dizzying altitude of 35,000 feet.