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

Biology

2 answers:

mixer [17]1 year 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>

meriva1 year 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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