the middle levels decreases (Lumen‚ 2016). Similarly‚ the U.S. and the E.U. have shown almost identical trends in the share of employment rise by the high and low skill jobs‚ and a loss by the middle skill jobs‚ between 1993 and 2006 (Kearney‚ 2017). Polarization became an
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2402 Lab Exercise 32 Blood Vessels The primary goal of this lab is to learn the names of many blood vessels. You will use the models provided as well as pictures in your lab book. Microscopic Structure of Blood Vessels Tunica intima: lines the lumen of the blood vessel. Continuous with endocardium of heart. Is extremely smooth to decrease resistance to blood flow. (Made of epithelium) Tunica media: More bulky middle coat. Composed of smooth muscle and elastin. Regulation in the diameter of blood
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Smooth muscle is non-striated muscle‚ made up of thin muscle cells. It is found in trachea‚ bronchus and bronchiole. They can contract‚ and when they do; it will tighten the airway‚ and it makes the lumen of the airway narrower. The flow of air to and from the alveoli can restrict if the lumen gets tighten up. They control slow movements in the walls of instines and the stomach. Elastic fibres are found in trachea‚ bronchus and bronchiole. It gets formed in the loose tissue when the airway
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APPENDICITIS Reporter: Rita May C. Reyna APPENDIX The appendix is a normal true diverticulum of the cecum. Like any diverticulum‚ it is prone to acute and chronic inflammation‚ and acute appendicitis is a relatively common entity. Other lesions‚ including tumors‚ can also occur in the appendix but are far less common. The appendix is a wormlike extension of the cecum and‚ for this reason‚ has been called the vermiform appendix. The average length of the appendix is 8-10 cm (ranging from 2-20
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tube leaving water to move rapidly‚ free of obstacles. Tracheids are long and thin with tapered end walls and a narrow lumen. Vessel elements however are broad‚ short and have wider lumen. These vessel elements are arranged in columns forming the vessels. Vessels are vital in rapid water transport from roots to shoots as little resistance to water flow is offered by their broad lumen. Pitted tracheids link with adjacent cells to form a series of pipes along the stem‚ these pipes increase the resistance
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salt and electrolytes which are transported into the epithelial cells after ingestion and thus lower the water potential of the cell by causing water to be pulled into the epithelial cells from the gut lumen‚ thus stopping diarrhoea. Diarrhoea is caused by an too high water potential in the lumen of the gut‚ often due to a movement of water by osmosis. In the case of lactose intolerance‚ when lactose is ingested it will not be broken down and continues along the gut‚ thus causing water to be pulled
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Market Structure and the Role of Government 1. Explain the unique characteristics of the four primary market structures. The four primary market structure are perfect competition‚ monopolistic competition‚ oligopoly‚ and monopoly (Quickonomics‚ 2017.). Each of these four characteristic of the market structure has a great influence on the decision-making and the profits (Quickonomics‚ 2017.). In perfection‚ this is a situation by which a large number of small firms compete against each other. Similarly
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movement of food taken into the body. Chewing breaks food into smaller pieces‚ and two types of movement mix the contents of the lumen and propel it forward. The lumen is the inside lining of the GI tract. Secretion is the fluid‚ digestive enzymes‚ acid‚ alkali‚ bile‚ and mucus that are secreted into the GI tract at various places. Digestion is where the contents of the lumen are broken down mechanically and chemically into smaller and smaller particles‚ culminating in nutrient molecules. Absorption
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.2 Consequences for Hypomagnesaemia Serum magnesium concentration is seldom being measured in routine blood tests. Thus‚ to identify this issue‚ it requires direct measure in clinical situations that usually associated with the disturbance of magnesium homeostasis‚ such as chronic diarrhoea‚ hypokalaemia‚ cardiac arrhythmias and hypocalcaemia. Hypomagnesaemia has been observed in 12%of hospitalized patients‚ and the incidence may rise above 60% in patients in ICU. Magnesium deficiency produces in
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willed all men to be saved; but His special grace is not granted to all. However‚ it is said that when God intervenes the grace of the Spirit is present as an example to follow. It is suggested that the Christian literature De Vocatione Omnium Gentium was written by Prosper and said to be contradicting the
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