How Well Do You Know Your Brain?

You probably think that you know your own brain. After all, you use it every day. Test yourself to find out how much you know about the amazing human brain.

1. The brain feels no pain.

The brain feels no pain.
True
False

2. It is impossible to tickle yourself.

It is impossible to tickle yourself.
True
False

3. The bigger the brain, the more intelligent the person is.

The bigger the brain, the more intelligent the person is.
True
False

4. Women's brain are larger than their male counterparts.

Women's brain are larger than their male counterparts.
True
False

5. Brain blood vessels are long enough to wrap around the whole Earth four times when stretched out.

Brain blood vessels are long enough to wrap around the whole Earth four times when stretched out.
True
False

6. The brain produces ample electrical power when awake to light a bulb.

The brain produces ample electrical power when awake to light a bulb.
True
False

7. The left side of your brain controls the left side of your body, while the right brain the right side of the body.

The left side of your brain controls the left side of your body, while the right brain the right side of the body.
True
False

8. The fattest organ in your brain is your brain.

The fattest organ in your brain is your brain.
True
False

9. The brain can live for 7 to 8 minutes without oxygen.

The brain can live for 7 to 8 minutes without oxygen.
True
False

10. Your brain can juggle more than two conscious tasks at once.

Your brain can juggle more than two conscious tasks at once.
True
False

11. What may cause déjà vu?

What may cause déjà vu?
Confusion between dreams and reality
Being somewhere new that resembles a place you remember
Faulty brain wiring
A concussion

12. What surprised scientists about Einstein’s brain?

What surprised scientists about Einstein’s brain?
It was missing several key parts
His brain cells' nerve fibers were longer than average
His brain was no bigger than average
Certain lobes of his brain appeared larger than normal

13. About how much does your brain weigh?

About how much does your brain weigh?
1.5 pounds (0.7 kilograms)
3 pounds (1.4 kilograms)
6.5 pounds (2.9 kilograms)
13 pounds (5.9 kilograms)

14. Meditation has been shown to improve the ability to pay attention and make decisions.

Meditation has been shown to improve the ability to pay attention and make decisions.
True
False

15. What do most people mainly use the left side of the brain for?

What do most people mainly use the left side of the brain for?
Language
Music
Spatial abilities
Face recognition

16. The more you use your brain, the stronger it stays.

The more you use your brain, the stronger it stays.
True
False

17. What raises your chances of having a stroke?

What raises your chances of having a stroke?
High blood pressure
Exposure to UV radiation
Emotional stress
Mercury poisoning

18. How do brain cells signal one another?

How do brain cells signal one another?
Through chemicals called neurotransmitters
By making tiny vibrations
Through magnetic attraction

19. What is "gray matter"?

What is "gray matter"?
The protective lining around your brain
The cell bodies of neurons
The myelin sheath

20. How much of your energy does your brain use?

How much of your energy does your brain use?
5%
10%
25%
75%

21. Which images register strongest in your brain?

Which images register strongest in your brain?
Faces
Words
Cuddly animals

22. How many brain cells are in your brain?

How many brain cells are in your brain?
10 million
2 billion
100 billion
300 billion

23. A good night’s sleep allows your brain to store memories.

A good night’s sleep allows your brain to store memories.
True
False

24. Brain cells generally live longer than other cells.

Brain cells generally live longer than other cells.
True
False