Human Brain Quiz

What is the weight of the human brain?

• 1 pound

• 2 pounds

• 4 pounds

• 3 pounds

What is the function of the spinal cord?

• Control breathing

• Transmit messages between the brain and other parts of the body

• Protect the brain

• Process information

What is the role of neurons in the brain?

• Control voluntary actions

• Transmit messages through the spinal cord

• Connect to other neurons in different parts of the brain

• Protect the brain

What are synapses?

• Cells in the spinal cord

• Messages transmitted through the spinal cord

• Branch-like structures in the brain

• Points where neurons meet and transmit information to each other

How many neurons are there in the brain?

• 100 billion

• 50 billion

• 75 billion

• 85 billion

What happens when a person learns new things?

• The connections between neurons weaken

• The brain stops working

• The structure of the brain changes

• The number of neurons in the brain increases

What did Santiago Ramón y Cajal compare the brain to?

• A puzzle

• A world of unexplored continents

• A computer

• A machine

How does learning and education affect the brain?

• It weakens the connections between neurons

• It slows down the brain's processing speed

• It changes the structure of the brain

• It reduces the brain's ability to think

What is the result of the connections between neurons?

• The weight of the brain increases

• The brain's ability to function decreases

• Everything a person knows

• The number of synapse connections

What do scientists not yet fully understand about the human brain?

• The function of neurons

• The weight of the brain

• How people learn

• The structure of the spinal cord