Unit 12: The Body Beautiful (Reading)

Which is the largest organ in the human body?

• the heart

• the lungs

• the brain

• the skin

How many bones are there in the adult human body?

• 206

• 276

• 106

• 186

What is the total length of all the blood vessels in the child's body?

• about 23,000 km

• about 97,000 km

• about 36,000 km

• about 65,000 km

How much does the adult human brain weigh on average?

• 1 kg

• 2 kg

• 1.3 kg

• 2.3 kg

Why does the writer mention computers?

• to compare them with human brain

• to show how fast they have become

• to say that computers have no abilities

• to say that computers need eyes and ears

We know that neurons

• send messages very slowly

• are only found on your skin

• deliver messages to your brain

• need electricity to work

When you have a new thought,

• your heart beats faster

• the structure of your brain changes

• you learn something new

• you remember something

What does the writer tell us about exercise?

• It can make you less intelligent

• It needs a special chemical

• Its effects are not well known

• It can make you feel better

What is the article generally about?

• All the steps that are involved when your brain learns things

• What an incredible organ the human brain is

• How the brain makes people smarter than computers

• The things you can do to speed up your brain

Choose the suitable word to complete the definition.

'Electrical messages in the body are known as _____.'

• structure

• mood

• organs

• sense

• signals