Human Brain Quiz
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Questions and Answers

What percentage of the body's oxygen does the brain use?

  • 10 percent
  • 50 percent
  • 75 percent
  • 25 percent (correct)

    • During what stage does the human brain double in size?

  • At birth
  • In the first six months of life (correct)
  • During the first two years
  • Before adolescence

    • Which hemisphere of the brain is primarily responsible for language and math skills?

  • Right hemisphere
  • Left hemisphere (correct)
  • Neither hemisphere
  • Both hemispheres equally

    • What happens to brain cells over time?

    <p>1,000 cells are lost per day without replacement</p> Signup and view all the answers

    What is the average weight of the human brain?

    <p>3.5 pounds</p> Signup and view all the answers

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