20%
1/4
its denser than oxygen and our bodys werent ment to use it
2 hours
Because oxygen is used to burn glucose, the fuel preferred by the brain. At rest, you use about 20% of the oxygen you breathe to keep your brain running.
About 20%.
About 10% of your brain ---------------------------------- Actually you use just about all of your brain
You use your brain for 100% of your life. When your brain stops functioning, so do you.
its your bodys fuel
Carbohydrates and oxygen.
Because you use oxygen going to the brain.
Isaac Newton use his brain to its maximum level he use his brain to 110 %