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physical structure of the human brain

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

What percentage of the brain is fat?

a)

A.70%

b)

B.80%

c)

C.60%

d)

D.100%

2.
The average number of 
thoughts a person has?
a)

A.70000

b)

B.90000

c)

C.50000

d)

D.10000

3.
How many parts of the 
brain are activated when 
a person laughs?
a)

A.Seven

b)

B.five

c)

C:one

d)

D.two

4.

How many minutes can the

brain survive without oxygen?

a)

A.10minutes

b)

B. 8-9minutes

c)

C.6 minutes

d)

D.4-6 minutes

5.
What percentage of 
our total weight does 
the brain make up?
a)

A.5%

b)

B.7%

c)

C.2%

d)

D.9%

6.
A three-year-old child has 
many times more nerve cells
 than an adult?

a)

А.3 times more

b)

B.6 times more

c)

C.4 times more

d)

D.8 times more

7.
What percentage of water 
does the brain 
consist of?
a)

A.50%

b)

B.75%

c)

C.40%

d)

D.20%

8.
The human brain continues
 to develop until 
the age of birth?
a)

25 years old

b)

44years old

c)

15 years old

d)

32 years old

9.
On average, what percentage
 of the brain does 
a person use?
a)

100%

b)

15%

c)

70%

d)

90%

10.

What percentage of the

volume of the human

skull does the brain make up?

a)

40-45%

b)

30%

c)

90-95%

d)

20%

11.
Approximately how many 
neuron’s
 are located in our brain?
a)

100 billion neurons

b)

20 billion neurons

c)

30 billion neurons

d)

10 billion neurons

12.

What does the brain do

waking up?

a)

water

b)

neurons

c)

energy

d)

blood

13.

What percentage of oxygen

and blood does the brain

use in the body?

a)

20%

b)

50%

c)

40%

d)

30%