The brain is like a muscle the more you work it the stronger it gets. If someone is involved in a conversation and they are not just listening, they are contributing something to the conversation then 70% of the conversation will be remembered. If a person is just listening to a conversation withou contributing anything to it, they retain about 20% of that conversation.
The average human brain weighs about 3 pounds (1.4 kilograms).
If you mean "How much percentage of water does a human brain have?", the answer is about 77-78%.
10%
10 pounds for the average human
about 30% of the human population experiences brain freeze and 70% doesn't .
The area of the cat's brain that is responsible for emotions is very similar to that area of a human's brain. Much more so than a dog's.
BaNaNa
over 100000
appox 20 %
They were the same size.
kids have 'fluid intelligence' - since their brain connections between neurons (brain cells) are just developing, new information is retained much better than in adults, where much less brain development occurs
a human only uses 30% of the brain