If you are living with low oxygen level your body is breaking down and preparing to discharge from planet earth.
Without oxygen your cells will die within 4 minutes.
It’s not that you don’t have oxygen in your body when your blood oxygen saturation is 91%, BUT the pressure of the oxygen in your blood stream is too low to penetrate the walls of your red blood cells and catch its ride on your hemoglobin. At 92% there is sufficient pressure to allow oxygen to catch that Joy Ride!
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