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11.42: Central Nervous System

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

TermDefinition
brain Control center of the nervous system.
brain stem Part of the brain that controls unconscious functions such as heart rate, breathing, and digestion.
central nervous system Main part of the nervous system; includes the brain and spinal cord.
cerebellum Part of the brain that controls body position, coordination, and balance.
cerebrum Largest part of the brain; controls conscious functions such as reasoning and voluntary movements.
corpus callosum Thick bundle of axons that lies deep inside the brain and carries messages back and forth between the two hemispheres.
spinal cord Long, tube-shaped bundle of neurons that runs from the brain stem to the lower back; carries nerve impulses back and forth between the body and brain.
vertebrae Bones forming the spinal column.

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Description
Difficulty Level:
At Grade
Grades:
7 , 8
Date Created:
Nov 29, 2012
Last Modified:
Jan 04, 2017
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