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Difference between Sympathetic and Parasympathetic Nervous System -

S.NO.	SYMPATHETIC	PERASYMPATHETIC
1.	Components are visible	Not visible
2.	Ganglions linked to form chain	Ganglions are isolated
3.	Its praganglionic fibres emerge with	With cranial & spinal both
	spinal nerves only
4.	Preganglionic fibres are shorter than	longer
	postganglionic fibres
5.	Adrenergic & cholinergic	Cholinergic
6.	Overall effect is excitatory	Inhibitory
7.	Active during stressfull condition	Relaxed condition
8.	Area of influance is diffused	Localized
9.	Acetylcholine + sympathin are secreted	Only actylcholine
10.	Relaxation of gut muscle	Contraction
11.	Contraction of skin muscle	Relaxation
12.	Decrease in the secretion of saliva	Increase
13.	Tightening of gut sphinctor	Loosing
14.	Vaso constriction	Vasodilation
15.	Rise in B.P.	Fall
16.	Relaxation of bladder muscle	Contraction
17.	Dialation of pupil	Contraction
18.	Dialation of bronchi	Narrowing
19.	Accelerating heart beat.	Slowing

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Biology, Academics

Category:- Biology
Reference No.:- M9510050

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