What is the brain often called in the text?

• A thinking machine
• The control centre
• An electric hub
• The body engine

How many neurons are there in the brain?

• One million
• One billion
• 100 billion
• 1.5 trillion

How much does the brain weigh?

• About 3 kilos
• Less than 1.5 kilos
• 5 kilos
• Less than 500 grams

What do neurons do in the brain?

• Control body temperature
• Carry and send messages
• Help blood circulation
• Produce oxygen

Which action is used to show brain speed in the text?

• Solving a puzzle
• Sneezing
• A bee landing on your foot
• Watching a movie

At what speed can neurons send signals from the brain to the body?

• 150 km/h
• 240 km/h
• 320 km/h
• 500 km/h

What changes every time you learn something new?

• Your personality
• The brain’s weight
• Your body temperature
• The brain’s structure

How does practising help with learning to ride a bike?

• It makes you taller
• The brain sends messages repeatedly
• Your muscles grow stronger
• It makes you think faster

What does exercise do that helps with learning?

• Helps you sleep better
• Builds stronger bones
• Produces a helpful chemical in the brain
• Improves memory loss

What should you do if you can’t solve a homework problem?

• Take a nap
• Eat a snack
• Ask a friend
• Exercise, then try again

Your brain helps you to feel emotions, blink, and breathe.

Neurons in your brain send messages slower than 100 km/h.

The brain is responsible for your personality, memories, and movements.

Neurons stop working when you are asleep.

Understanding how the brain works is very simple.

Everyone learns at the same speed.

Exercise can help your brain learn better.

The brain sends fewer messages than all the phones in the world.

Your brain is heavier than one and a half kilos.

Scientists already know everything about how exercise affects learning.