Human Brain Quiz

What is the weight of the human brain?

• 1 pound

• 2 pounds

• 3 pounds

• 4 pounds

What is the central nervous system made up of?

• Brain and heart

• Brain and lungs

• Brain and spinal cord

• Spinal cord and lungs

What is the function of the spinal cord?

• Transmits messages between brain and body

• Processes information

• Controls voluntary actions

• Controls breathing

What are the nerve cells that transmit messages between the brain and body called?

• Dendrites

• Neurons

• Synapses

• Axons

How many neurons are there in the human brain?

• 100 billion

• 85 billion

• 75 billion

• 50 billion

What are the points where neurons meet and transmit information to each other called?

• Axons

• Dendrites

• Neurons

• Synapses

What happens to the structure of the human brain when a person learns new things?

• It decreases

• It remains the same

• It changes

• It expands

How does learning and education affect the connections between neurons?

• Strengthens them

• Breaks them

• Doesn't affect them

• Weakens them

What is the result of the connections between neurons?

• Memory loss

• Everything a person knows

• Brain damage

• Learning new things

What does Santiago Ramón y Cajal compare the brain to?

• A puzzle

• A library

• A world of unexplored continents

• A computer