Body Part -

: It is composed of billions of cells called neurons that transmit information through electrical and chemical signals.

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

If you're looking for a "piece" of the human body, here is one of the most remarkable parts: : It is composed of billions of cells