The human brain is a ....... organ. (white/ pink/ grey)
grey
The size of the human brain is like the size of two ....... put together. (grapes/ fists/ cups)
fists
How heavy is the human brain?
1.3 kg
Does the human brain control feeling emotions?
Yes, it does.
The human brain uses ..... of all your energy. (20%/ 50%/ 80%)
20%
When does the human brain stop growing?
about 20
