: Even though it only weighs about 3 pounds, it uses roughly 20% of your body's total energy and oxygen.
To see where the brain fits in with the rest of the body's major organs, you can check out this helpful overview: Parts of the Body in English | 80+ Basic Body Vocabulary Shaw English Online YouTube• Jun 4, 2023 body part
: It is composed of billions of cells called neurons that transmit information through electrical and chemical signals. : Even though it only weighs about 3