early melody in church‚ musical instruments were considered “dangerous pleasure” (Fiero 108). The people of the church did not want to distract from God. St. Ambrose had a simple element and no system some of his other hymns were “Veni Redemptor gentium” ("Redeemer of the nations‚ Marquez 3 come") and was performed only in mass. According to Michael Williams “Hymns
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causes various organs and processes in the body to suffer impairment from oxygen deficiency. Also‚ the presence of the chemicals in tar may cause an allergic reaction. This would cause the smooth muscles in the walls of the airways to contract and the lumen of the airways would get smaller‚ which would restrict the flow of air to the alveoli. On top of that‚ tar paralyses cilia‚ disabling them from moving the layer of mucus away and up to the back of the mouth. The bacteria and viruses in the mucus cannot
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relates to the secretion of two hormones‚ insulin and glucagon‚ which serve to regulate the levels of blood glucose. Th e exocrine function of the pancreas involves the secretion of enzymes that are responsible for the digestion of food in the lumen of the small intestine. Normally‚ the digestive enzymes (especially the proteases) are secreted in an inactive state and are activated only when mixed with the contents of the small intestine. Acute pancreatitis is an infl ammatory disorder of
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| Privacy Statem ent | Site Map | Contact Us | Search Home GCSE: Biology Chemistry Commerce Statistics Mathematics A-Level: Physics Chemistry Economics Mathematics Home Revision Papers Revision Community Blog Games Advertise GCSE Biology Transport In Humans Transport In Humans The human transport system is a system of tubes with a pump and valves to ensure one way blood flow. We need a transport system to deliver oxygen‚ nutrients and other substances to all
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with fibrous material‚ cells‚ and other deposits‚ restricting the lumen (opening) of the vessel and reducing blood flow to the tissues‚ a condition known as ischemia. Pathologically‚ the athermanous plaque is divided into three discrete components: The atheroma ("lump of porridge"‚ from Athera‚) is the nodular accumulation of a soft‚ flaky‚ yellowish material at the center of large plaques‚ composed of macrophages nearest the lumen of the artery‚ underlying areas of cholesterol crystals‚ and possibly
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(1) In the entrance to the former of these — to clear the way and‚ as it were‚ to make silence‚ to have the true testimonies concerning the dignity of learning to be better heard‚ without the interruption of tacit objections — I think good to deliver it from the discredits and disgraces which it hath received‚ all from ignorance‚ but ignorance severally disguised; appearing sometimes in the zeal and jealousy of divines‚ sometimes in the severity and arrogancy of politics‚ and sometimes in the errors
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Jesus-Catangal INTESTINE longest coiled tube in the alimentary tract it has two parts (small and large) small intestine is in the anterior part it is the principal organ for digestion and absorption the posterior part is the large intestine its lumen is at the center and it has a finger like fold VILLI (sing. Villus)which hasten absorption TUNICA SEROSA or VISCERAL PERITONIUM- outermost covering TUNICA MUSCULARIS – forms the major part of the intestine‚ cells of which are perpendicular to
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Give an account of nitrogenous excretion in mammals. Excretion plays an important part in the process by which the internal environment is regulated to maintain homoeostasis. It is the elimination of the unwanted products of metabolism and of substances present in excess within the organism. Animals excrete nitrogenous waste products such as ammonia‚ uric acid or urea. These or similar products to that produced by the deamination of any excess protein that has been eaten as nitrogenous compounds
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Spermatogenesis From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search Seminiferous tubule with maturing sperm. H&E stain. Spermatogenesis is the process by which male primordial germ cells called spermatogonia undergo meiosis‚ and produce a number of cells termed spermatozoa. The initial cells in this pathway are called primary spermatocytes. The primary spermatocyte divides into two secondary spermatocytes; each secondary spermatocyte then divides into two spermatids. These develop
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The patient is a 45 year old man who had GI surgery 4 days ago. He is NPO‚ has a nasogastric tube‚ and IV fluids of D51/2saline at 100 mL/hr. The nursing physical assessment includes the following: alert and oriented; fine crackles; capillary refill within normal limits; moving all extremities‚ complaining of abdominal pain‚ muscle aches‚ and "cottony" mouth; dry mucous membranes‚ bowel sounds hypoactive‚ last BM four days ago; skin turgor is poor; 200 mL of dark green substance has drained from
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