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Sagot :
preganglionic fibers of parasympathetic neurons are present in all of the following cranial nerves except N . True
All somatic motor neurons, all ANS preganglionic neurons, and postganglionic parasympathetic nerve fibers all release acetylcholine.While the somatic nervous system can only innervate skeletal muscles, the ANS is in charge of activating the smooth muscles, skeletal muscles, and glands. The peripheral nervous system has acetylcholine neurons in every area. Of contrast, motor neurons in the somatic nervous system discharge acetylcholine onto skeletal muscle.It should be noted that the nerves play a role in managing the internal urethral sphincter's opening and closing as well as the process of controlling the urinary bladder's emptying. it can be inferred that the pelvic splanchnic nerves carry parasympathetic preganglionic nerve fibers that supply the ciliary muscle and the pupillary constrictor muscle.
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