Human Body Medium

The Human Brain & Nervous System

The human brain contains roughly 86 billion neurons connected by trillions of synapses.

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  • 8Questions
  • 5Minutes
  • MediumDifficulty

What to expect

This is a medium quiz with 8 multiple-choice questions, and it takes about 5 minutes. You will see your result at the end, along with a short explanation for every answer so you leave knowing a little more than you did.

  • Instant feedback after each question
  • A clear explanation for every answer
  • Your score and a full review at the end
  • Free to play, no sign-up required
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