65% of our bodies is made up of oxygen.
Each human body has a different about of oxygen in it. A male weighing about 148 pounds has 65% oxygen.
A lot
25%
I don't know how much of the body's oxygen the brain needs, but when the brain does not receive enough, a stroke occurs.
Oxygen is very much important for the human body. Oxygen plays a vital role in the breathing processes and in the metabolism of the living organisms.
because without oxygen you cant breathe.
65%
In chemistry
they consume 20-25 % of all oxygen used by the body at rest
Too much air would harm the body
Our body obtain oxygen to our body by breathing.
we yawns o much because of lack of oxygen in our bodies. If you are sititng in class for example, and you yawn, its not becasue you are tired, it is becasue you donthave much oxygen in your body . :)