This lesson will differentiate the Central Nervous System (CNS) from the Peripheral Nervous System (PNS). The functions of the brain and spinal cord within the Central Nervous System (CNS) will be discussed.
Source: Central Nervous System, Public Domain: http://commons.wikimedia.org/wiki/File:Nervous_system_diagram_heb.PNG
The body’s communication system, which sends information to and from the brain and allows it to control the rest of the body.
The control center of the nervous system, which collects information from the rest of the body and causes the body’s responses; contains the brain and spinal cord.
Central processing unit located in the head, where all mental information about a person is kept and used to control the rest of the body.
A thick bundle of nerves that connects to the brain and acts as an “information superhighway”, conducting info to and from the brain along the back.
The neurons in the rest of the body outside of the brain and spinal cord, which control muscles, carry sensory information from the environment, and control involuntary actions.