This article, the first of a six-part series on the nervous system, describes the anatomy of the central nervous system and how it coordinates sensory information and bodily actions. This article, the ...

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 not ...

In order for your body to work properly, your nervous system needs to be working properly. Your nervous system is responsible for helping your brain communicate with your body and helping your body ...

Your sympathetic nervous system is one of the branches of your autonomic nervous system. It controls functions under unconscious control related to “fight or flight.” Your nervous system plays a ...

The central nervous system consists of the brain and spinal cord. The central nervous system controls thought, movement, and emotion, as well as breathing, heart rate, hormones, and body temperature.

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 ...

Neurological diseases affect the nervous system, including the brain, spinal cord, and peripheral nerves that carry signals throughout your body. These conditions can disrupt movement, thinking, mood, ...

Long after a traumatic event has passed, a person’s nervous system can be reactivated whenever they perceive danger, whether or not danger is present. This feeling of heightened arousal is like being ...