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The nervous system is one of the most complicated systems of the body Along with the endocrine system it controls many bodily activities through a variety of methods It senses changes in both the internal and external environments interprets these changes and then coordinates appropriate responses in order to maintain homeostasis In the following pages this paper will first give a brief overview of the Nervous System and describe its major functions in the body relate how the different parts of the brain interact with memory and finally will describe a mental illness and its Biological solution The Nervous System The nervous system as described in Tabers Cyclopedic Dictionary isa system of extremely delicate nerve cells elaborately interlaced with each other More specifically it functions to regulate and coordinate body activities as well as to adjust to both external and internal environment changes It is made up collectively of the brain cranial nerves spinal cord spinal nerves and other areas that help maintain reception and response to stimuli Once a change in the body is detected nerves carry this information to the brain via axons a process of a neuron that conducts impulses away from a cell body and towards the brain and nerve fibres These changes are then interpreted by brain receptors which then send impulses back along nerve fibres to the bodys sensory organs such as the eyes ears and sensory receptors located in the skin joints or muscles Thus the nervous system acts like the information highway of the body in the sense that it receives all information pertaining to regulation of the body and it also sends out impulses which aid our actions coordination and homeostasis The nervous system is composed of two main principal types of nerve cells neurons and neuroglia Neurons function in initiation and conduction of impulses whereas neuroglia function primarily as connecting and supporting tissue In addition neuroglia also play an important role in the reaction of
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