Physiology University of Phoenix SCI/230 7/5/2013 Instructor Nancie Harris There are currently 33 diverse species of dolphin that exist in lakes (freshwater) and oceans (saltwater) of the world. Each species of dolphin‚ whether marine or river‚ has an anatomy which allows them to thrive in certain conditions. The anatomy of the dolphin has been enhanced throughout the years in order for them to continue to adjust to their domain. This paper will break down the adaptions in the anatomy of one
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Self-renewal and differentiation are fundamental stem cell fate decisions‚ which are essential for normal tissue development‚ homeostasis‚ and repair actin cytoskeleton and Rho-GTPases‚ mediate downstream signal transduction Serum response factor (SRF) and yes-associated protein (YAP) are two examples of mechano-sensitive transcription factors‚ which have recently been implicated in epidermal and mesenchymal stem cell differentiation Lab notes: Passive processes: transport driven by
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typically permits the membrane potential to reach the threshold potential at which it fires the next action potential (pacemaker potential). Thus‚ the pacemaker potential is what drives the self-generated rhythmic firing. This is known as cardiac muscle automaticity.[2] Pacemaker potentials are fired by sinoatrial node (SAN)‚ but also by the other foci. However‚ the last ones have firing frequencies slower than the SAN’s. When other foci attempt to fire at their intrinsic rate‚ they can’t because
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Chapter 1: Introduction and Classification of Law A. * Constitutional Law The federal government and the states have separate written constitutions that set forth the general organizations‚ powers‚ and limits of their respective governments. * Statutory Laws enacted by legislative bodies at any level of government such as the statues passed by congress or by state legislatures make up the body of law generally referred to as statutory law. Also includes ordinances‚ which are passed by municipal
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Regarding Muscles Vitamin D deficiency has been tied to mainly bone pathologies. Recent research shows that the effects of Vitamin D span further than just affecting bones and particularly cause muscle weakness. Vitamin D is responsible for aiding in the absorption of other minerals‚ such as calcium. Calcium is a key ligand in muscle contractions‚ thus‚ Vitamin D indirectly can effect muscle contractions. An article published in Nutrition Reviews‚ Vitamin D: an overview of its role in skeletal muscle
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Chemical reactions * Chemical reactions occur when substances undergo chemical changes to form new substances * Production of gas and change of color are sings of chemical reactions * Chemical reactions rearrange atoms * A reactant is a substance or molecule that participates in a chemical reaction * A product is a substance that forms in a chemical reaction Energy and Reactions * Energy must be added to break bonds. * Many forms of energy can be used to break bonds:
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Personal information Tim Brady is a 39-year-old man. The assessment was carried out on 15th of December 2016. Reason for referral The patient was referred for a neuropsychological assessment by a General Practitioner Dr. Lewis‚ M.D. The doctor wants to know whether there was a decrease in memory capacity of the patient after a road accident. Therefore‚ he requested an examination of patient’s cognitive abilities to see whether they are within a normal range. Background information Tim is married
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Amanda Fallon Professor Jed Wolfson Anatomy and Physiology 1 October 27‚ 2011 Rhabdomyolysis: Disease of Muscular Breakdown Rhabdomyolysis is the breakdown of damaged muscle tissues resulting in the release of muscle fiber contents into the bloodstream (Patel M.D.). This disease occurs when there is damage to the skeletal muscle. The breakdown products of damaged muscle cells‚ such as myoglobin‚ are harmful to the kidneys and frequently result in kidney damage or even kidney failure
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INTRO TO PHYSIOLOGY I. Physiology – the science (study) of body function a. Uses biochemistry‚ cell biology‚ genetics‚ chemistry and physics b. Can be applied to study the cell‚ organ‚ system‚ or organism (whole-body) II. Cell – smallest living unit c. Can individually carry out it’s own basic life processes d. Specialized functions make their working together important to whole body operation III. Major tissue types (tissue = group of similar functioning
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Exercise 2: Skeletal Muscle Physiology: Activity 2: The Effect of Stimulus Voltage on Skeletal Muscle Contraction Lab Report Pre-lab Quiz 1. Skeletal muscle fibers are innervated (stimulated) by c. motor neurons. 2. A single action potential propagating down a motor axon results in d. a single action potential and a single contractile event in the muscle fibers it innervates. 3. In resting skeletal muscle‚ calcium is stored in c. the sarcoplasmic reticulum. 4. During the latent period
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