Brain Power

The brain consists of grey and ......... matter.

• white

• pink

• blue

• black

It weights just over ......... .

• a kilo

• a hundred grams

• ten grams

It uses .......... of the body's energy.

• 20 %

• 12 %

• 22 %

It contains over ......... cells which make up neurons. These neurons are connected by electrical impulses.

• 100 billion

• 10 billion

• 1 billion

There are more possible connections in one brain than there are ......... .

• atoms in the universe

• atoms and molecules in a substance

Neuroscientists have mapped different areas of the brain which are responsible for ......... .

• different functions

• similar functions

The areas for the brain related to controlling ......... and .......... could be compared to miniature film studios.

• sight

• hearing

• speaking

• smelling

Our eyes and ears send signals ........., and it is our brain that interprets these signals and builds up a picture of the outside world.

• all the time

• sometimes

• often

• always

Scientists have also identified areas responsible for different emotions, such as ........., love and laughter.

• fear

• hate

• sadness

There are also different areas for different types of thinking, such as learning your own language and learning a ......... language.

• foreign

• modern

• sign