Human Brain Quiz

How many calculations can the average human brain perform in one second?

• 1 million

• 10 quadrillion

• 100 billion

• 10,000

What percentage of the human brain is made up of water?

• 80%

• 75%

• 60%

• 50%

What is the average weight of a human brain?

• 1.5 kilograms

• 1 kilogram

• 2.5 kilograms

• 2 kilograms

Why is the surface of the brain wrinkled?

• To protect the brain

• To improve blood flow

• To reduce weight

• To increase the surface area

What surrounds the brain to protect it inside the skull?

• A bony structure

• A clear colorless fluid

• A layer of muscle

• A layer of fat

Which part of the brain is responsible for sending signals to move?

• Cerebellum

• Hypothalamus

• Hippocampus

• Motor cortex

Which part of the brain is responsible for hunger and satiety?

• Cerebellum

• Hippocampus

• Motor cortex

• Hypothalamus

Where are new memories stored temporarily before being backed up?

• Hippocampus

• Hypothalamus

• Motor cortex

• Cerebellum