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Anatomy Ch 7 Pt 1
Question | Answer |
---|---|
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 |