Improve Lung Health: Breathing Exercises & Oxygen Levels

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What Is the Max Altitude at Which a Person Can Breathe?

Published Aug,14 2017 | By Marcus Scott

As humans ascend higher into the atmosphere, air density declines. While air composition remains similar, the drop in air pressure, and in return, air volume, effectively makes the respiratory system work much harder in order to supply the same levels of oxygen to the blood stream.

Marcus Scott has been writing on international politics, local news and culture since 2004. He has written articles, op-eds, columns and edited for student organization presses and blogs, including the Roosevelt Institution Defense and Diplomacy blog. In 2005 and 2006 Scott attended the Journalism Education Association national conferences. He earned his Bachelor of Arts in international relations from the University of California, Davis.