The nervous system is the collection of cells, tissues, and organs that control electrochemical communication in the body. What is the main function of the nervous system?

Understand the nervous system. Learn about the central and peripheral nervous systems, somatic and autonomic, sympathetic and parasympathetic nervous systems.

The primary peripheral nervous system function is to relay messages back and forth from the central nervous system (CNS), the nervous system made up of the brain and spinal cord.

Learn about the sympathetic nervous system and the parasympathetic nervous system, including what they do and how their functions affect the human body.

Learn the parasympathetic nervous system, its definition and function in the body. Identify parasympathetic nervous system location and its activation process.

Learn about the sympathetic nervous system definition and function, and read about the sympathetic effects and arousal in the nervous system when activated.

Explore the function and divisions of the autonomic nervous system. Discover sympathetic, parasympathetic, and enteric nervous systems, and review their dysfunction.

The sensory portion of the nervous system plays an integral role in providing key feedback to the spinal cord and brain to allow for an appropriate...

The peripheral nervous system contains the many nerves that extend from the brain and spinal cord and articulate with other structures in the body. Fish brain anatomy is often divided into …

The central nervous system is a part of the nervous system composed of two distinct organs, the brain and the spinal cord. The central nervous system is also referred to as the CNS, as an ...