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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Interneurons: send information BETWEEN motor neurons and sensory neurons; found in the CNS‚ connect neurons. Nodes of Ranvier: a gap between two of the Schwann cells that make up an axon’s myelin sheath; serves as a point for generating a nerve impulse. Resting potential: the difference in electrical charge across the plasma membrane of a neuron. Sodium-potassium pump: the mechanism that uses ATP energy
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Module 06 Case Study: Articulations and Nerve Tissue Part I— “Jill” Questions 1. What is the difference between a tendon and ligament? (1 point) --The difference between a tendon and a ligament is that a tendon attaches to muscle. (ie. muscle-bone‚ muscle-muscle‚ muscle- skin) A ligament‚ however‚ attaches to cartilage. (ie. cartilage-bone‚ cartilage-cartilage‚ bone-bone) 2. What bones form the articulation (joint) of the ankle? Did Jill most likely sprain or strain her ankle? Explain your
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the enmity between Abraham’s sons Isaac and Ishmael. However‚ more direct paths towards conflict began to form in the 20th century. Indeed‚ in the late 1890s‚ Zionism was emerging within Europe‚ especially following Austrian Zionist thinker Theodor Herzl’s “The Jewish State”‚ which called for a home for all Jews‚ repeatedly referring to the Biblical promised land concept. Indeed‚ the concept of Zionism centers on the idea of unifying all Jews‚ who could all belong to one nation. Due to religious
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1750 – 1914 Review Revolution‚ Nationalism‚ Industrialization‚ Imperialism‚ and Emancipation!!!! Revolutions: • American Revolution – 1775 – 1783 o Declaration of Independence expressed Enlightened Ideas (Voltaire‚ Rousseau‚ Locke) o Ideas really only applied to rich‚ white guys o Economy was based upon slavery o Americans received aid from France (the enemy of my enemy is my ___) o Americans win! • French 1789 – 1803 (Napoleon from 1803 to 1815) o Caused by financial issues and social class structure
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Page 1 Abstract Schwetzingen Castle has a very close tie to the Iliad and Greek gods and heroes. This can be seen when visiting the castles gardens. The gardens have statues and temples dedicated to Apollo‚ Zeus‚ sphinxes‚ and Athena. The placement of the statues in a garden in Germany shows the effect and values of the Greek people transpiring through time. The garden was created as a place to go and relax and reflect and the statues and temples serve to remind visitors to the garden of the values
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The emancipation of the Jews in the French revolution can be seen as the catalyst for change in the nature and ideology of anti-Semitism. It was an event that ushered in enlightened ideas such as democracy‚ liberation‚ the abolishment of slavery‚ secularism and ideals of individualism - elements which would later play important roles with French international dealings and Jewish emancipation. Prior to the emergence of 18th century enlightened thinkers‚ Jews accused of a crime faced immediate death
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Chapter 2: Neurons and Glia 1. Introduction * Although there are many neurons in the human brain (about 100 billion)‚ glia outnumbers neurons by tenfold. 1:10 ratio. * Neurons are the most important cells for the unique functions of the brain. * Neurons sense changes in the environment‚ communicate these changes to other neurons‚ and command the body’s responses to these situations. * Glia‚ or glial cells‚ are thought to contribute to brain function mainly by insulating‚
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11: Fundamentals of the Nervous System and Nervous Tissue Study guide Functions and Divisions of the Nervous System 1. List the basic functions of the nervous system. 2. Explain the structural and functional divisions of the nervous system. Histology of Nervous Tissue 3. List the types of neuroglia and cite their functions. 4. Define neuron‚ describe its important structural components‚ and relate each to a functional role. 5. Differentiate between a nerve and a tract
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Chapter 1 • Anatomy & Physiology • Gross anatomy – visible to naked eye • Microscopic • Developmental • Pathological anatomy • Radiographic anatomy • Molecular biology • Physiology • Focuses on cellular or molecular level • Principle of Complementarity of Structure and Function • A&P are inseparable • Function reflects structure • Specific form • Levels of organization 1. Chemical level 2
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