Transmission at the synaptic junctions between preganglionic and postganglionic neurons and between the postganglionic neurons and the autonomic effectors are chemically mediated. The principal transmitter agents involved are acetylcholine and norepinephrine.
The sympathetic nervous system makes up part of the autonomic nervous system, It is also known as the involuntary nervous system. It can regulate important bodily functions such as heart rate, blood pressure, pupil...
Structure of the nervous system Nervous system consists central nervous system ( Brain & Spinal cord ) , peripheral nervous system ( Cranial nerves & Spinal nerves ) , Autonomic nervous system ( Sympathetic...
Nervous system in man The nervous system is highly developed in vertebrates , especially in man , The nervous system and the endocrine glands are working together to control all the functions of human...
