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15 Cards in this Set
- Front
- Back
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What consists of the CNS?
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Brain and spinal cord
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What consist of the PNS?
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Everything but the brain and spinal cord.
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The PNS is divided into the autonomic nervous system and the somatic nervous system. What is the definition of each?
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Somatic= voluntary movements
Auto= involuntary |
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The ANS is divided into the sympathetic and parasympathetic systems. What are they?
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Para= rest and digest
sympathetic= fight or flight |
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All preganglionic neurons in the ANS and postgs. in the PARAsym. use _________ as neurotransmitter.
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acetylcholine
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All postgan. neurons of SYM. system use _________ as neurotransmitter.
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epinephrine/norepineephrine (or adrenaline!)
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medulla
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controls breathing, heart rate, blood pressure
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hypothalamus
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endocrine system
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thalamus
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regulation of consciousness
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cerebellum
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finely coordinated muscular movements
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cerebrum/cerebral cortex
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memories
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cochlea
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detects sound
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semicircular canals
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detect orientation and movement of the head
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what is an effector?
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an organ/ muscle that responds to a "neural reaction"
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what is the purpose of a reflex arc?
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it is a signal that is through the spinal cord rather through the brain.
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