CMS Grade 7 Science (6-2) Divisions of the Nervous System (pp. 182-189)
Autonomic Nervous System
The group of nerves in the peripheral nervous system that controls involuntary actions. (p. 187)
Somatic Nervous System
The group of nerves in the peripheral nervous system that controls voluntary actions. (p. 187)
Concussion
A bruiselike injury of the brain that occurs when teh soft tissue of the brain collides against the skull. (p. 189)
Reflex
An automatic response that occurs reapidly and without conscious control. (p. 187)
Peripheral Nervous System
The division of the nervous system consisting of all of the nerves located outside the central nervous system. (p. 182)
Central Nervous System
The division of the nervous system consisting of the brain and spinal cord. (p. 182)
Cerebellum
The part of the brain that coordinates the actions of the muscles and helps maintain balance. (p. 184)
Cerebrum
The part of the brain that interprets input from the senses, controls movement, and carries out complex mental processes. (p. 184)
Brain Stem
The part of the brain that lies between the cerebellum and spinal cord and controls the body's involuntary actions. (p. 184)
Brain
The part of the central nervous sytem that is located in the skull and controls most functions in the body. (p. 183)
Spinal Cord
The thick column of nervous tissue that links the brain to most of the nerves in the peripheral nervous system. (p. 183)