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The Nervous System division

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The nervous system
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Terms in this set (63)
The nervous system
the master controlling and communicating system
How do neurons communicate?
Via electrical and chemical signals
The 3 overlapping functions
sensory input, integration, and motor output
Sensory Input
information is gathered by sensory receptors
Integration
processing and interpreting information
Reflex
sensory input and motor output (without integration)
Central Nervous System
brain and spinal cord, interprets sensory input and dictate motor output
Peripheral Nervous System
consist of nerves that extend from the brain and the spinal cord
Spinal nerves
nerves to and from the spinal cord
cranial nerves
nerves to and from the brain
Sensory (afferent) devision
devsion of the peripheral nervous system that sends information towards the CNS
Somatic sensory fibers
fibers in the afferent division that extend from the skin, skeletal muscles, and the joints to the CNS
Visceral sensory fibers
fibers in the afferent division that extend from the visceral organs to the CNS
Motor (efferent) division
division of the peripheral nervous system that transmit information from the CNS to the effecter organs
effecter organs
muscles and glands