Difference between sympathetic and parasympathetic nervous system

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Solution

Sympathetic Nervous system vs Parasympathetic Nervous System

Sympathetic Nervous system

Parasympathetic Nervous System

Preganglionic nerve fibre is small sized

Preganglionic nerve fibre is larger

Dilates pupil

Constricts pupil

Increases lacrimal glands secretion

Inhibits lacrimal glands secretion

Inhibits salivary and digestive glands

Stimulates salivary and digestive glands

Accelerates heart beat

Retards heart beat

Inhibits gut peristalsis

Stimulates gut peristalsis

Contracts anal sphincter

Relaxes anal sphincter

Relaxes urinary bladder

Contrasts urinary bladder

Vasoconstriction in general and vasodilation (brain, heart, lungs and skeletal muscles

Vasodilation of coronary vessel

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Similar questions

Sympathetic and parasympathetic nervous systems are parts of which system?

Choose the correct option:

[A]: Sympathetic and parasympathetic systems have opposing functions.

[R]: The parasympathetic nervous system ‘prepares you’ for action, while the sympathetic system ‘calms you’ down after action.

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Sympathetic Nervous system	Parasympathetic Nervous System
Preganglionic nerve fibre is small sized	Preganglionic nerve fibre is larger
Dilates pupil	Constricts pupil
Increases lacrimal glands secretion	Inhibits lacrimal glands secretion
Inhibits salivary and digestive glands	Stimulates salivary and digestive glands
Accelerates heart beat	Retards heart beat
Inhibits gut peristalsis	Stimulates gut peristalsis
Contracts anal sphincter	Relaxes anal sphincter
Relaxes urinary bladder	Contrasts urinary bladder
Vasoconstriction in general and vasodilation (brain, heart, lungs and skeletal muscles	Vasodilation of coronary vessel