What is the normal percentage of oxygen in the blood?
1 Answer
Mar 2, 2017
The Mayo Clinic defines the normal human oxygen level as 95 percent to 100 percent. Levels below 90 percent are considered low.
Explanation:
The Mayo Clinic defines the normal human oxygen level as 95 percent to 100 percent. Levels below 90 percent are considered low.
Mayo Clinic, per:
https://www.reference.com/health/healthy-blood-oxygen-range and
http://www.fitday.com/fitness-articles/fitness/cardio/understanding-blood-oxygen-levels-at-rest.html
