Q. 8 What proportion of the oxygen pumped around your body is - TopicsExpress



          

Q. 8 What proportion of the oxygen pumped around your body is used by your brain? 5% 20% 50% The correct answer is 2. Your brain is only about 2% of your body weight, but it gets about 20% of the blood pumped from your heart and uses up about 20% of the total oxygen carried in your bloodstream. Regular physical exercise increases blood flow and helps keep your blood vessels and your brain healthy.
Posted on: Fri, 09 May 2014 13:37:22 +0000

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