PSL201Y1 Lecture Notes - Central Nervous System, Myelin, Sympathetic Nervous System

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Nervous system: overview of the nervous system, overview of the nervous system, cells of the nervous system, establishment of the resting membrane potential. The nervous system is divided into the central nervous system (cns) and the peripheral nervous system (pns). The cns consists of the brain and the spinal cord and it receives and processes information from organs and sends information back to organs with instructions to perform certain tasks. The cns is also the site for learning, emotion, memory and other important functions. Pns is made up of nerve cells that provide communication between the cns and the organs throughout the body. The pns is subdivided into the afferent and. The afferent information transmits information from organs to cns which include the sensory information (touch, smell, vision, sound) and the information pertaining to the internal environment (blood pressure, hunger level etc. )

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