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 (B)</p> Signup and view all the answers

What is the average weight of the human brain?

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

Flashcards

Brain storage capacity

The human brain can hold a staggering 100 trillion pieces of information.

Brain's nerve message input

More than 100 million nerve messages are received by the brain each second from the body.

Daily brain cell loss

The brain loses approximately 1,000 cells daily, irreplaceable, yet memories stay.

Brain pain insensitivity

Surgeons can operate on the brain without causing pain to the patient.

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Brain size growth

A baby's brain doubles in size during the first six months of life.

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