6 Histology Review Supplement Cardiovascular Tissue Review From the PhysioEx main menu‚ select Histology Atlas. Click on the white Sort By drop-down menu and select Histology Review from the list. Refer to the slides in the Cardiovascular Tissue Slides folder as you complete this worksheet. Which component of the intercalated disc is a junction that provides the intercellular communication required for the myocardium to perform as a functional syncytium? Gap junctions Heart The heart
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report is divided into two different tasks interlinked with the Cardiovascular System. The first part is based on the conduction pathway of heart and its different stages. Whereas‚ the other task is based on a case study in regards of blood vessels‚ baroreceptors‚ kidneys‚ adrenal glands and heart rate that has affect the pulse and blood pressure of the patient. Task 1 Conduction Pathway of Heart and its stages Likewise central heating system with pipes‚ radiators‚ pumps and others that use electricity
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speed of neural conduction along critical paths will be too fast. d. speed of neural conduction along critical paths will be too slow. 3. A neuron cell body reaches threshold and depolarizes. The depolarization propagates down the length of the __________‚ is chemically transmitted across the __________
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multi-step methods for differential equations. APPLIED MECHANICS AND DESIGN Engineering Mechanics: Free body diagrams and equilibrium; trusses and frames; virtual work; kinematics and dynamics of particles and of rigid bodies in plane motion‚ including impulse and momentum (linear and angular) and energy formulations; impact. Strength of Materials: Stress and strain‚ stress-strain relationship and elastic constants‚ Mohr’s circle for plane stress and plane strain‚ thin cylinders; shear force and bending
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3810-504 Compound Action Potentials Date Performed: 15FEB2011 Date Due: 01MAR2011 Introduction Neurons are the cells that receive and transmit electrical signals (University of North Texas‚ 2010). The ability of the neuron to conduct these impulses is because of an electrochemical voltage across the plasma membrane of that neuron. An action potential is an all or nothing response to a stimulus along a single axon. A compound action potential is a graded response that results from the stimulation
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PhysioEx 9.0 Exercise 3 Neurophysiology of Nerve Impulses A C T I V I T Y 1 The Resting Membrane Potential 1. Explain why increasing extracellular K_ reduces the net diffusion of K_ out of the neuron through the K_ leak channels. Increasing the extracellular potassium reduces the concentration gradient‚ and less potassium diffuses out of the neuron and into the cell. 2. Explain why increasing extracellular K_ causes the membrane potential to change to a less negative value.
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environment by radiation‚ conduction‚ convection and evaporation of water. These are all physical mechanisms known to the human body. (Vander‚ Sherman & Luciano 1998). Radiation is an infrared energy between two objects that have no physical contact with each other. Heat is gained by radiation from the sun‚ hot sand on the beach and hot coal. Heat can also be lost as radiation to cool vegetation‚ water in the sea and snow on the ground. (Seeley‚ Stephens & Tate 2002). Conduction is the exchange of heat
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Digestive System Notes 2. List the major parts of the alimentary canal; then separately list the accessory organs of the digestive system. a. Mouth—the oral cavity. b. Pharynx—extends from the back of the nasal cavity to the top of the esophagus. c. Esophagus—extends from the pharynx to the stomach. d. Stomach—just below the diaphragm on the lefi side of the body. e. Small intestine—extends from the stomach to the large intestine. f. Large intestine—extends from the small intestine to the
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depends on the right amount of electrolytes‚ such as sodium‚ potassium‚ magnesium and calcium‚ to function in rhythm‚ force and rate to provide adequate blood supply throughout the body. Types of arrhythmias include too fast‚ too slow and electrical impulses initiating in the wrong chamber of the heart. Abnormal heart rhythms can increase the risk for heart failure. http://www.livestrong.com/article/395096-congestive-heart-failure-electrolytes/ Electrolyte abnormalities are a frequent and potentially
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HEAT TRANSFER MECHANISMS Heat energy is being transferred from one location to another because of a temperature difference. The three mechanisms for heat transfer are: • Conduction. When you grip the hot handle of a pan on a stove‚ you feel conduction in action. Heat flows from the pan and along the length of the handle to its cooler free end. This is because one end of the rod is held at the high temperature‚ and the other end stays at the lower temperature. Although the rod itself doesn’t
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