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kaheart [24]
3 years ago
5

Which of the following correctly describes the order of events occurring during a sympathetic nervous system response?

Biology
2 answers:
mixer [17]3 years ago
6 0

Answer;

Stimulation of thoracic or lumbar spinal regions; impulse reaches chain ganglion; acetylcholine release

<h3><u>Explanation;</u></h3>
  • The sympathetic nervous system is part of the autonomic nervous system, which also includes the parasympathetic nervous system.
  • The sympathetic nervous system  functions by activating the fight or flight responses. It operates through a series of interconnected neurons.
  • <em>Sympathetic neurons of the spinal cord communicate with the PNS via a series of sympathetic ganglia. Spinal cord sympathetic neurons joins with the peripheral sympathetic neurons through the chemical synapses.</em>
  • <em><u>At synapses, preganglionic sympathetic neurons release acetylcholine, which binds and activates nicotinic acetylcholine receptors on the postganglionic neurons.</u></em>
meriva3 years ago
5 0
<span>Stimulation of thoracic or lumbar spinal regions; impulse reaches chain ganglion; acetylcholine release</span>. Acetylcholine is released if the synapse happens in the sympathetic ganglion, if the synapse is in post-ganglionic neuron, norepinephrine is released.
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