Andrew borganti 12/15/14 Think of this part of the introduction as a bridge between the hook and your thesis statement. Your bridge may be characterized by: two to four sentences background information necessary for your reader to understand the topic explanations of the importance of the topic Effective Introduction Worksheet Instructions: Copy and paste the following text into a document or create a document that contains the same information. Complete the following steps and your introduction
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electrical signals‚ or nerve impulses‚ that can be sent to the brain for processing. This ensures communication between the environment and our internal system‚ specifically‚ our brain. For instance‚ if we touch a very hot surface‚ the receptors on that area of our body recognize that we are touching a
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Margaret E. Vorndam‚ M.S. Version 42-0038-00-01 Lab Report Assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions‚ diagrams if needed‚ and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable
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causes the membrane potential to change to a less negative value. How well did the results compare with your predictions? There are two potassium’s for every sodium so the increase of potassium will make it more negative. Prediction was correct. 3. Explain why a change in extracellular Na+ did not alter the membrane potential in the resting neuron? The sodium channels are mostly closed during the resting state. 4. Discuss the relative permeability of the membrane to Na+ and K+ in a resting
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Squamous (non-keratinized) flat long strands with nucleus Pseudostratified Ciliated Columnar cells together in a column structure‚ single layer‚ elongated cells Transitional many layers of cube shaped and elongated cells Stratified Cuboidal (online) 2-3 layers‚ cube shaped cells Stratified Columnar (online) top layer of elongated cells‚ lower layers of cubed shaped cells Questions A. Why is the study of histology important in the overall understanding of anatomy and physiology? Histology
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Laboratory – Muscle Physiology A. MUSCLE TONUS Observations‚ Report and Conclusion: A. Define muscle tonus and give its importance * Muscle tonus refers to a state of slight muscular contraction maintained by synchronous impulses of low frequency‚ discharged by the spinal motor neurons. * Reflex in nature. * Muscle tonus is a small amount of tension in the muscle due to weak‚ involuntary contractions of its motor units. Muscle tonus is important in a sense that it governs the
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3.3 Support learning activities 1.1 Explain how a learning support practitioner may contribute to the planning‚ delivery and review of learning activities Although the class teacher is primarily responsible to plan‚ deliver and review all learning activities for the class‚ a teaching assistant can work alongside the teacher and make contributions that can improve the teachers plan‚ adjust the delivery to make it more effective for pupil attainment and extend the teachers initial review. Planning
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Introduction Jan Swammerdam‚ who demonstrated that an isolated frog muscle could be made to contract when the sciatic nerve was irritated with a metal object‚ conducted the first muscle experiments between 1661 and 1665. Later‚ between 1737-1798 Luigi Galvani determined that frog muscle responded to electrical currents. The kymograph‚ which was invented in the late 1840’s lead to the revolution of experimental physiology because it enabled muscle contractions to be analyzed and recorded. The muscle
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muscle contraction Introduction For a skeletal muscle fiber to contract‚ a stimulus must be applied to it. The stimulus is delivered by a nerve cell‚ or neuron. A neuron has a threadlike process called and axon that my run 91 cm or more to a muscle. A bundle of such fibers from man different neurons composes a nerve. A neuron that stimulates muscle tissue is called a motor neuron. The motor neuron branches into terminal structures called telodendria that come into close approximation with
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kinds of microscopes include; phase-contrast‚ dark-field‚ polarizing and UV. Each of these microscopes differs in the source and manner in which the light is passed through the specimen to be viewed. The microscopes that are usually used in biology labs are compound binocular or monocular light microscopes. Compound microscopes have a minimum of two magnifying lenses (ocular and objective). Binocular microscopes have two eyepieces while the monocular ones have one eyepiece. The ocular lens of a
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