The human brain uses__________ percent of the total oxygen and blood in the body? A. 20 B. 12 C. 35 D. 48 Right Answer: 20 Share : February 19, 2018 Asghar Khan Everyday Science Total 0 Votes: 0 0 Tell us how can we improve this Mcqs? Captcha: + = Verify Human or Spambot ? Related Mcqs Check Below -Copper can be converted into gold by ?Who proposed this concept “All motion is relative”?Which of these is not a region of the spinal cord?