Branch of the nervous system that controls involuntary muscles like heart
and smooth muscle
What does sympathetic input do to the GI tract?
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Decreases movement of substances
What are afferent nerves?
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Nerves coming from the body, going to the CNS
Where do sympathetic neurons come from?
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Thoracic and lumbar regions of the spinal cord
Where are cholinergic receptors found?
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Synapses of sympathetic and parasympathetic ganglia OR postganglionic
parasympathetic target organs
Where are muscarinic cholinergic receptors found?
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, Parasympathetic target organs
What do split axons facilitate?
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Some message goes up, some goes down, some goes through other
ganglia
What is a somatic motor neuron?
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One neuron that goes all the way out to skeletal muscle
What are the parasympathetic effects of nicotine intake?
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Stimulation of the GI tract for defecation
Input from one branch of the ANS may be...
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