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Anatomy Ch 7 Pt 1

The controlling and communicating system of the body Nervous System
Gathers stimuli inside and outside the body Sensory Imput
Processes stimuli and makes decisions Integration
Causes a response in muscles and glands Motor Output
Consists of brain and spinal cord CNS
Consists of the afferent and efferent nerves PNS
Somatic and visceral nerves that send info to CNS Sensory
Involuntary nerves that speed things up (wake you up) Sympathetic
Voluntary nerves that send impulses from CNS (nerve glue) Neuroglia
A living barrier between neurons and blood Astrocytes
Dispose of debris, dead brain cells, and bacteria Microglia
Have cilia and circulate cerebrospinal fluid Ependymal Cells
Produce the fatty myelin sheath that covers nervefibers in CNS Oligodendrocytes
Produce the myelin sheath that covers nerve fibers in PNS Schwann Cells
A cluster of cell bodies in the PNS Cell body
Conduct impulses toward the cell body Dendrites
Conduct impulses away from the cell body Axon
Chemicals that allow impulses to conduct "through" the synaptic gap between neurons Neurotransmitters
Created by: christymcfarling