Important Points for IC 22 - Life Insurance Underwriting Exam
Page 36 Of 64
Go to:
The central nervous system (CNS) consists of brain and spinal cord. Its main function is to seek information from the body and send out instructions.
The peripheral nervous system (PNS) consist of : Sensory neurons, Cluster of neurons called ganglia, Nerves that connect them to each other and to the central nervous system
The brain processes, interprets and integrates the information sent from the spinal cord. It has four main components : Cerebrum, Cerebellum, Thalamus, Hypothalamus
Cerebrum is the largest part of the brain that controls the voluntary actions, speech, senses thoughts and memories.
Cerebellum is located at the back of the brain, between cerebrum and the brain stem. It receives/relays information between body muscles and areas of cerebral cortex that are involved in motor control.