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 ...

They transmit information using both electrical and chemical signals. The autonomic nervous system functions throughout your body. It can receive stimulation from your environment through your senses.

The peripheral nervous system is responsible for many functions, and as such has numerous sub-divisions that specialise on different tasks. The sensory, or afferent, division receives signals from ...

It primarily affects the autonomic nervous system, which governs involuntary bodily functions such as heart rate, breathing, temperature regulation, and digestion. When the nervous system is ...

The sympathetic nervous system, which helps your heart and other vital organs function all the time, increases activity in response to danger or stress, preparing the body for extra demands.

Your autonomic nervous system—the part that handles all your unconscious bodily functions—operates in a delicate balance between its “fight-or-flight” sympathetic branch and its “rest ...

Billy Joel has excess fluid in his brain -- a neurologist explains what happens when this protective liquid gets out of ...

But ataxia can also be its own condition or disease. As a stand-alone condition, "ataxia is a degenerative disease of the nervous system," explains Andrew Rosen, chief executive officer of the ...

Central nervous system — the brain and spinal cord Peripheral nervous system — the nerves that make your muscles move and tell your brain what your body is feeling Autonomic nervous system — the ...

The parasympathetic nervous system (PNS): Parasympathetic neurons mostly regulate bodily functions when a person is at rest. The ANS receives information from the environment and other parts of ...