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.

Aug 9, 2018 · The nervous system has two main parts: The central nervous system is made up of the brain and spinal cord. The peripheral nervous system is made up of nerves that branch off …

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

Learn about neuroglia cells and the function of the glial cells. See the neuroglia location in the central nervous system and learn types of...

This lesson discusses the structures of the peripheral nervous system (PNS), which includes those outside the brain and spinal cord. The structures and functions for the two branches of …

The nervous system of a fish is similar to that of other vertebrates. They contain a central nervous system containing a brain and spinal cord and a peripheral nervous system containing the ...

Learn about the peripheral nervous system and its parts in this 5-minute video. Discover its role in transmitting information to the brain, then take a quiz.

Learn about the somatic and autonomic nervous systems. See how somatic vs autonomic within the peripheral nervous system. Find out about neurons and receptors.

The somatic nervous system definition is the division of the peripheral nervous system that processes incoming sensory information and controls our voluntary movements.

Afferent sensory neurons of the peripheral nervous system carry information through the spinal cord to the thalamus of the brain.