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Ch. 5 Nervous System
Terms in this set (26)
the system that controls virtually all activities of the body both voluntary and involuntary
central nervous system
the brain and spinal cord
somatic nervous system
the part of the nervous system that regulates activities over which their is voluntary control
autonomic nervous system
the part of the nervous system that regulates functions, such as digestion and seating, that are not controlled voluntarily
the controlling organ of the body and the center of consciousness; functions include perception, control, reactions to the environment, emotional response, and judgment
the largest part of the three subdivisions of the brain, sometimes called the "gray mater"; made up of several lobes that control movement, hearing, balance, speech, visual perception, emotions, and personality
one of the tree major subdivisions of the brain, sometimes called the "little brain"; coordinates various activities in the brain, particularly fine body movements
the area of the brain between the spinal cord and the cerebrum, surrounded by the cerebellum; controls functions that are necessary for life
reticular activating system
located in the upper brain stem; responsible for maintenance of consciousness, specifically one's level of arousal
the part of the brain that is responsible for helping to regulate the level of consciousness
an organ that lies below the midbrain and above the medulla and contains numerous important nerve fibers, including those for sleep, respiration, and the medullary respiratory center
nerve tissue that is continuous inferiorly with the spinal cord; serves as a conduction pathway for ascending and descending nerve tracts; coordinates heart rate, blood vessel diameter, breathing, swallowing, vomiting, coughing, and seezing
cerebrospinal spinal fluid
fluid produced in the ventricles of the brain that flows in the subarachnoid space and bathes the meninges
an extension of the brain, composed of virtually all the nerves carrying messages between the brain and the rest of the body, it lies inside of and is protected by the spinal cord
peripheral nervous system
the part of the nervous system that consist of 31 pairs of nerves spine nerves, these peripheral nerves may be sensory nerves, motor nerves, or connecting nerves
parasympathetic nervous system
a subdivision of the autonomic nervous system, involved in control of involuntary vegetative functions, mediated largely by the vagus nerve through the chemical acetylcholine
nerves that carry information from the central nervous system to the muscles of the body
the nerves that carry sensations of touch, taste, heat, cold, pain, and other modalities from the body to the central nervous system
brain, spinal cord, nerves
What are the 3 parts of the nervous system?
brain, spinal cord
What makes up the central nervous system?
What are the two divisions of the CNS?
What are the two divisions of the motor nerves?
What are the two divisions of the autonomic
brain stem, cerebellum, cerebrum
What are the three parts to the brain?
What is cerebrum often called?
What do the duramater, arachnoid and piamater make up?
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