Match List-I with List-II. 

	List-I		List-II
A	Autonomic neural system	I	Relays impulses from CNS to skeletal muscles
B	Chemical synapse	II	Membranes of pre- and post-synaptic neurons are separated by a synaptic cleft
C	Somatic neural system	III	Membranes of pre- and post-synaptic neurons are in very close proximity
D	Electrical synapse	IV	Transmits impulses from the CNS to involuntary organs

Choose the correct answer from the options given below. 

	A	B	C	D
1.	I	II	IV	III
2.	IV	III	I	II
3.	I	II	III	IV
4.	IV	II	I	III