Brain

muscle movement

It is responsible for coordinating ________ and controlling our balance.

cerebrum

The ________ is the largest part of the brain, accounting for 85 percent of the organ's weight.

diencephalon

The ________ is located in the core of the brain.

electrochemical signals

The neurons transmit and gather ________ that are communicated via a network of millions of nerve fibers called dendrites and axons.

nerve cells

The brain's ________ are known as neurons, which make up the organ's so- called "gray matter ..

frontal lobes

The ________, located behind the forehead, are involved with speech, thought, learning, emotion, and movement.

cerebrum

The ________ has two halves, or hemispheres.