What Is the Nervous System? Your nervous system is your body's main communication system. It sends messages from your brain to the rest of your body and helps you respond to changes inside and ...

Willowbrook Elementary School teacher Jeffery Ladd teaches students how to step during brain breaks in class, and his ...

"With neurogenesis in the cerebral cortex, you would have neurons that never went to elementary school ... Nottebohm says the aging brain probably has to develop nerve cells to learn new things.