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    Nerve Cells

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    Essay cover sheet Essay Title: How Do Nerve Cells Work and Why is it Important for Psychologists to know this? Student number: M00267898 Word count (Excluding title and references section):1‚062 Declaration By submitting this work I acknowledge that I am its author‚ that all sources consulted in its preparation are referenced appropriately in accordance with the referencing guide‚ and that I have not copied from any source. How Do Nerve Cells Work and Why is it Important for Psychologists

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    CellsCell Division‚ and Cell Specialization Fundamentally Different Types of Cell Prokaryotic Cell- single celled: only DNA+ structure (“before nucleus”) E.g. zygote-complete DNA Eukaryotic Cell-multi-celled (“after nucleus”) Prokaryotes Eukaryotes DNA In “nucleoid” region Within membrane-bound nucleus Chromosomes Single‚ circular Multiple‚ linear Organelles None Membrane-bound organelles Size Usually smaller Usually larger- 50 times Organization Usually single-celled Often multicellular

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    Nerve Cells

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    Site Plan | I. Neurons/nerve cells A neuron is a cell specialized to conduct electrochemical impulses called nerve impulses or action potentials. Neuron is the main cellular component of the nervous system‚ a specialized type of cell that integrates electrochemical activity of the other neurons that are connected to it and that propagates that integrated activity to other neurons. They are the basic information processing structures in the CNS.

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    The Nerve Cell

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    body‚ there are billions of cells that are essential to living – these are called nerve cells. Nerve cells‚ also known as neurons‚ “are the basic information processing structures” (Stufflebeam). There are about 100 billion of these neurons in our nervous system and are the most essential cell in it. Located in brain as well as the spinal‚ there are different types of nerve cells; including: sensory neurons‚ motor neurons‚ and interneuron (Boeree). The neuron is a cell that is structured similarly

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    12. Provide a description of a cell surface specialization. A cell surface specialization can be defined as an extension of the cell surface which performs a specific function for a larger organ or tissue. Examples of cell surface specializations include microvilli‚ cilia‚ stereocilia‚ and goblet cells. Microvilli can be described as tiny finger-like folds made of microfilaments in the cell membrane‚ and functions to increase surface area for absorption. Cilia are longer‚ more hair-like projections

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    specialization

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    Project Quality Management What is a project? A friend may say‚ “I’m going to clean the garage this weekend‚ it’s going to be a real project. Your boss come to you on that clean‚ sunny day afternoon and says”‚ I have a small project for you that you should be able to finish by the close of the business. What do all those projects have in common? They all have the essential elements: A project is temporary A project is undertakings and it has temporary in nature; that means has a clearly defined

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    The Vagus Nerve

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    The vagus nerve is the tenth of the twelve brain nerves. The vagus nerve contributes to the feelings associated with infections such as appetite‚ fatigue and induction of disease behavior. It extends from the brainstem to the abdomen‚ with branches in the neck‚ thorax and abdomen 68. The vagus nerve is part of the autonomic nervous system‚ has efferent fibers‚ ascending signals from the brain to the peripheral organs‚ as well as afferent sensory fibers‚ and transmits information from the peripheral

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    Areas of Specialization

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    Areas of Specialization |Number |Subjects of study in psychology |Areas of specialization in |Definition and key points of this |Rationale (reason why you matched |Possible research method of study| | | |psychology (match with below |specialization (be sure to use |this subject of study with this |(experimental‚ correlational‚ | | | |options)

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    Nerve Mechanics

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    types of nerve fibers from the brain acts like a switching and relay terminal for the peripheral nervous system as is stated in Mosby’s Dictionary. The 12 pairs of cranial nerves emerge directly from the brain Sensory nerves and motor nerves of the peripheral system leave the spinal cord separately between the vertebrae but unite to form 31 pairs of spinal nerves containing sensory fibers and motor fibers. More than 10 billion neurons constitute but one tenth of the brain cells; the other cells consist

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    Teotihuacan Specialization

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    Within these aforementioned egalitarian societies there is some occupational specialization‚ but it is based on the skill of the craftsmen‚ and no one is a full time specialist. The differences in the economies of Copan‚ Teotihuacan‚ and ancient Rome‚ can illustrate why and how economies increase in complexity‚ and what criteria are necessary for large-scale economic specialization. More specifically‚ what factors limited Copan and Teotihuacan‚ preventing them from attaining

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