How much blood is needed by the brain?

Who ever has the best joke at the end get brainliest

Although the brain is only about 2% of the total body weight in humans, it receives 15-20% of the body's blood supply. Because brain cells will die if the supply of blood that carries oxygen is stopped, the brain has top priority for the blood.

Explanation:

t receives 15-20% of the body's blood supply.

Explanation:

my joke what did the fish say when it reached the wall  = dam  

how did the chief die   = he pasta-way

answer; /// (nutrition) i believe is the correct answer;