Question

Differentiate between sympathetic and parasympathetic nervous system with reference to the following:

1. Pre and post-ganglionic nerve fibres
2. Effect on heartbeat

Answer 1

	Sympathetic nervous system	Parasympathetic nervous system
1.	The pre-ganglionic nerve fibres are short and post ganglionic nerve fibres are long.	The pre-ganglionic nerves are long and post-ganglionic nerves are short.
2.	It increases the rate of heart beat.	It reduces the rate of heart beat.