BIOD27H3 Chapter 8: BGYB30 chapter 8 textbook notes

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18 Feb 2011
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Chapter 8 neurons: cellular and network properties. Complex processes, such as consciousness, intelligence, cannot be predicted from the properties of individual nerve. The nervous system can be divided into two parts: the central nervous system (the brain and spinal cord; cns) and the peripheral nervous system (afferent/sensory neurons and efferent neurons; pns) Efferent neurons can also be divided into two subgroups: somatic motor division (controls skeletal muscles) and autonomic division (controls smooth/cardiac muscles, exocrine and some endocrine glands, as well as adipose tissue) The autonomic division, also called the visceral nervous system, is further subdivided into the sympathetic and parasympathetic branches. The nervous system is composed primarily of two types of cells: neurons and glial cells. Neurons are the functional unit of the nervous system; they consist of dendrites (which receive incoming signals), a cell body (called the soma where the nucleus of the cell is found), and the axon (which carries outgoing signals)

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