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13 Cards in this Set
- Front
- Back
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The central nervous system consists of what?
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Brain and spinal cord
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The Peripheral nervous system concists of what?
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All nervous tissue outside the CNS
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What comprises a nerve?
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100's - 1,000's of axons plus connective tissues & blood vessels that lie outside the brain
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How many pairs (right & left) of crainal nerves?
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12
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The spinal cord connects to the brain through what?
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The foramen magnum of the skull
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How many pair of spinal nerves?
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31
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What are ganglia?
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Small masses of nervous tissue, containing primarily cell bodies of neurons that are located outside the brain and spinal cord.
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What are enteric plexuses?
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Gastrointestinal tract network of neurons that help regulate the digestive system
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What are sensory receptors?
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Either dendrites of sensory neurons or separate, specialized cells that monitor changes in the internal or external environment
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Name the 3 basic functions of the nervous system.
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Sensory, Integrative & Motor
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T/F
Sensory receptors detect internal stimuli and external stimuli |
True
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Sensory or afferent neurons do what?
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Carry sensory information from cranial and spinal nerves into the brain
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T/F
The nervous system includes the brain, cranial nerves, spinal cord, spinal nerves, ganglia enteric plexuses and sensory receptors |
True
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