Gary Name Meaning & Origin. Gary. Origin of the name Gary: From the Old English Garwig (spear of battle), a compound name composed from the elements gar (a spear) and wig (battle). Alternatively, Gary developed as a pet form of any of the various names beginning with the Germanic element gar (spear). Var: Garry.
So if you require 3 liters per minute of oxygen, that amount of oxygen is delivered to you throughout one minute whether you take 20 breaths each minute or 10. Continuous flow oxygen concentrators deliver a set amount of oxygen per minute when set to the corresponding setting.
A: Humans breathe approximately 432 liters of oxygen per day, and that oxygen helps the tissues in the human body function properly. The body needs approximately 352.8 liters of oxygen per day when the body is at rest. Humans need oxygen to provide nutrients to all of the cells in their bodies.