In parasympathetic nervous system which of the following is released

In Parasympathetic Nervous System Which Of The Following Is Released Biology QuestionIn Parasympathetic Nervous System Which Of The Following Is Released Biology Question

In parasympathetic nervous system which of the following is released?

Options

(a) epinephrine
(b) norepinephrine
(c) serotonin
(d) acetylcholine

Correct Answer:

acetylcholine

Explanation:

The parasympathetic nervous system acts by relesing a chemical substance,acetylcholine,at the terminal endings of the postganglionic parasympathetic fibres.The latter are,thus,cholinergic.All the preganglionic nerve fibres of both these systems are cholinergic.

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