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The parasympathetic nervous system is one of the two main divisions of the autonomic nervous system, which regulates involuntary bodily functions. It primarily originates from the brainstem and sacral spinal cord, with its fibers extending to various organs throughout the body. Its main role is to promote "rest and digest" activities, helping to conserve energy and enhance bodily functions during restful states.
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Does parasympathetic or sympethetic arise from cranial or sacral nerves?
Parasympathetic
Is the vagus nerve sympathetic or parasympathetic?
The vagus nerve is parasympathetic.
Does the sympathetic or parasympathetic cause dry mouth or dilates bronchioles?
parasympathetic
Is bronchoconstriction sympathetic or parasympathetic?
Bronchoconstriction is due to an activation of parasympathetic nervous system.
Is mydriasis parasympathetic or sympathetic?
the parasympathetic fibers of the cranial nerve number three.
Ephinephrine is secreted from sympathetic or parasympathetic nervous system?
the ephinephrine is secreted from sympathetic or parasympathetic
Is the vagus nerve sympathetic or parasympathetic in its function?
The vagus nerve is primarily parasympathetic in its function.
Which of these is stimulated by parasympathetic nerves?
Parasympathetic nerves stimulate resting and digesting. Therefore, stomach activity is stimulated by parasympathetic nerves.
Which nerve conveys parasympathetic signals to the heart?
The Vegal Nerve conveys parasympathetic signals to the heart
What synapses release acetylcholine?
sympathetic preganglionic axon parasympathetic preganglionic axon parasympathetic postganglionic axon
What process does the parasympathetic nervous system not stimulate?
The parasympathetic nervous system does not stimulate the fight or flight response.
Where do the parasympathetic nerves originate in the body?
The parasympathetic nerves originate in the brainstem and the sacral region of the spinal cord.
