Essay Example on Nervous system is a complex network of Nerves

Central Nervous System and the impulses which are carried from sensory neuron are transmitted to relay neuron in the CNS now the relay neurons sends the information to the motor neurons and transmits impulses to the effctor cells which now prepares the response to the stumulus which the person withdraws its hand quickly from a hot iron Stimulus Reecptor Sensory Neurone Relay Neurone Motor Neurone Effector Response https www google co uk search q sensory neuron The autonomic nervous system The autonomic nervous system is often referred to as the involuntary nervous system because it enables the functioning of internal organs without conscious control The autonomic nervous system controls involuntary responses but it is possible to gain some voluntary control over these responses Emptying the bladder and opening the anal sphincter are examples of activities that are controlled by autonomic nervous system but can be brought under voluntary control through a process of learning called conditioning The autonomic nervous system has two distinct parts which are THE SYMPATHETIC NERVOUS SYSTEM which maintains the body s function on a day to day basis and THE SYMPATHETIC NERVOUS SYSTEM which prepares the body to react in emergency situations 8 Cardiac cycle Genetic diseases of nervous system