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 ...

Click on the labels below to find out more about your nervous system and senses. Your spinal cord can be divided into four sections shown in green, blue, pink and turquoise. Nerves emerging from ...

Your autonomic nervous system (ANS) is the part of your central nervous system (CNS) that controls unconscious activities like breathing and digestion. This system is always working, whether or ...