The Mysterious Human Brain

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Questions and Answers

Which of the following best describes the appearance of the human brain?

  • Squishy and wrinkled (correct)
  • Smooth and round
  • Shiny and metallic
  • Hard and jagged

How much does the human brain weigh approximately?

  • 10 kilograms
  • 500 grams
  • 1.3 kilograms (correct)
  • 5 kilograms

What are neurons?

  • Cells that produce hormones
  • Cells that transmit light
  • Cells that store memories
  • Cells that receive and transmit electrochemical signals (correct)

How many neurons are estimated to be in the human brain?

<p>90 billion (B)</p> Signup and view all the answers

What is the complexity of the human brain attributed to?

<p>The number of connections among neurons (D)</p> Signup and view all the answers

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