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Vena Cava Blood Flow
693 wordsEXPLORATION AND DISSECTION OF A MAMMALIAN HEART In this experiment, we obtained a fresh heart and dissected it to examine and observe the different parts of the heart, as well as studying how they function and work Problem: How can we study the heart through dissection? The most basic function of the circulatory system is to move the blood. The organ that provides the force to push the blood through the vessels is the heart. The mammalian heart is composed of four chambers to which large blood v...
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Golden Age Merchant Ships
1,039 wordsPiracy is usually determined as a seizure of property (ship, airplane or software) that holds no commission from the owner (Piracy 1). It is mostly linked to the dirty, bearded men that sailed the seven seas and robed merchant ships or ships that carried a valuable cargo. This however, was not the case in the late eighties and is definitely not the case today in the nineties. Now software pirates copy software without the permission of the company for their own personal benefits. Since piracy in...
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Second World War First World War
2,303 wordsAmong the most significant aspects of twentieth century military affairs has been how naval and land-based air power have transformed maritime operations. Today, much of the maritime arena is controlled, monitored, or exploited by aerospace systems. The capital ships of the modern era are the aircraft carrier and the missile-armed submarine, both weapons of three-dimensional warfare. The worlds sea lanes are monitored by aircraft and helicopters flown from the decks of aircraft carriers and othe...
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Red Blood Cells Connective Tissue
986 wordsfunctions in the rapid internal transport of substances Your body's differentiated cells, which perform specialized tasks, cannot fend for themselves. Different types must interact in coordinated ways to maintain the composition, volume, and temperature of a tissue fluid surrounding them, the interstitial fluid. A circulating connective tissue-blood-interacts with tissue fluid, making continual deliveries and pickups that help keep conditions tolerable for enzymes and other molecules heart, gene...
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Vena Cava Blood Vessels
553 wordsAllograft A tissue graft between donor and recipient of the same species, but where they could react antigenic ally. Antibody A protein that is produced in the body in response to invasion by a foreign agent and that reacts specifically with it. Antigen A substance not normally present in the body which, when introduced into it, stimulates production of an antibody that reacts specifically to it. Anticoagulant A substance which inhibits the blood clotting mechanism. Aorta The great artery that c...
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Blood Flow Hepatitis B
826 wordsCirrhosis is a serious disease of the liver where scar tissue replaces normal healthy tissue, and affects the function and structure of the liver. Liver, which is the largest organ in the body, has a vital roles which are important to keep the body functioning well. Liver makes proteins and enzymes that regulate blood clotting. It also regulates cholesterol and stores the energy. In addition, the liver removes poisons from the blood. 30 % of cirrhosis's victims are diagnosed will remain alive fo...
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Food And Water American Revolution
1,184 wordsThe word "privateer" conjures a romantic image in the minds of most Americans. Tales of battle and bounty pervade the folklore of privateering, which has become a cherished, if often overlooked part of our shared heritage. Legends were forged during the battle for American independence, and these men were understandably glorified as part of the formation of our national identity. The fact of the matter is that the vast majority of these men were common opportunists, if noteworthy naval warriors....
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Male And Female Based On Gender
1,513 wordsEven though male and female convicts were transported to Australian colonies from 1788 to 1840, their experiences throughout this period were remarkably different. This essay will attempt to compare and contrast the experiences of both female and male convicts transported to Australian colonies from 1788 to 1840. L. L Robson states that, between 1788 and 1840 over 24 960 female convicts and 122 620 male convicts were transported to Australia. Even though both male and female convicts suffered at...
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White Blood Cells Part Of The Body
1,146 wordsHow the Immune System Works The immune system defends the body from attack by "invaders" recognized as foreign. It is an extraordinarily complex system that relies on an elaborate and dynamic communications network that exists among the many different kinds of immune system cells that patrol the body. At the "heart" of the system is the ability to recognize and respond to substances called antigens whether they are infectious agents or part of the body, which are called self antigens. T and B Ce...
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Studies Have Shown Blood Vessels
1,197 wordsBiological regeneration has been studied over the years, in salamanders, and biological imitations of life. Through research on the mitotic capabilities of certain animals, to the DNA and hormones that make regeneration possible, scientists are slowly finding a way so that humans can regenerate lost or missing limbs, or grow organs used to save millions of lives in the future. Because being able to reproduce a limb or body part is dependent on nerves, scientists have found it vital to perform es...
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Review Of The Carter Collection Chinese Bronze Mirrors
1,919 wordsI was looking for building 125 east 65 th street, hoping that I would soon find any building looking like a museum. Finally, I came upon a building that looks like a rich brownstone in mid-Manhattan. I checked the address to make sure that my eyes were seeing correctly, and for sure, it was the correct place. I had to walk up a small flight of stairs and pass through a doorway that was open. I only went a couple more feet before a second door that was lock stopped me. There was a white flat smal...
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Ben R Finney Polynesian Outliers A Computer Simulation Sharp
1,751 wordsAndrew Sharp claims in his Ancient Voyagers in the Pacific published in 1956 that the Pacific Islanders did not possess the necessary navigational and sailing technology to deliberately navigate the distances between islands of the Pacific when colonizing these islands. He claims colonization was random and accidental. However, more recent studies from 1972 on of Pacific navigation suggest deliberate navigation and colonization was possible and did take place. These studies have been supported b...
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Carbohydrates Fats Sugar Cane
3,578 wordsWhat exactly do we mean by sugar? Most people would answer by describing the white granulated sugar found on the meal table. That is however only part of the answer. Table sugar is sucrose and is only one of a number of different sugars all of which belong to the carbohydrate group of basic energy foods. CARBOHYDRATES Sugars are a major form of carbohydrate and are found in probably all green plants. They occur in significant amounts in most fruits and vegetables. There are three main simple sug...
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Arms And Legs Effects Of Smoking
611 wordsEffects of Smoking On the Body Smoking cigarettes has been proven too be extremely dangerous to your health, which causes various forms of cancer and other life threatening diseases. There are over 4, 000 chemicals in cigarette smoke and 200 of those are known poisons. Smoking cigarettes for as few as a couple of years can have permanent effects on the body. Smoking can effect the heart and lungs; mouth and throat; arms, legs, skin and the mind. One big area of where smoking harms the body is th...
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Lymphatic Vessels Maxwell Macmillan Elephantiasis
407 wordsElephantiasis - I did my report on filariasis, which is more commonly known as elephantiasis. Elephantiasis is the late phase of filariasis. Filariasis is a tropical mosquito born parasitic disease causing obstruction of the lymph vessels. In some people the presence of the worm causes a tissue reaction that causes the lymph flow to be blocked. This blockage produces lymphedema which is a swelling and can eventually lead to a tremendous enlargement of an extremity or organ. When elephantiasis fo...
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Fight Or Flight Sleep Paralysis
1,937 wordsFear-Induced Hallucination: How Sleep Paralysis Triggers Hallucination I researched the web to find out how hallucination starts during an episode of Sleep Paralysis. As I have written in my previous paper, a Sleep Paralysis, although often believed as an evils work, results from some errors of the neural transmission in the brain during REM sleep (1). During a frightening state of Sleep Paralysis, one experiences total body immobility and cannot speak or move besides little eye movements and re...
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Cystic Fibrosis Genetically Altered
1,400 wordsGenetic scientists have been busy creating all kinds of solutions to some of the problems that the human and agricultural populations have been experiencing. One of the most promising has been in the area of transplantation. That is how Dolly the sheep, came about. Scientists have been trying to find a way to genetically engineer animals so that they can produce organs for humans that will not be rejected. Insulin from pigs has helped diabetics, pig valves can be used in cardiac repair, and pig ...
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One Of The Greatest U Boats
939 wordsEnglish 1 A 11 / 24 / 99 Submarines: The Underwater War The submarine is one of the greatest naval inventions in the history of war. This innovation allows men to dive to certain depths in the open seas at will. Submarines were equipped with weapons and communication devices. The submarine could stay at sea for months at a time and only required a few men to operate. They were small, quick, and hard to locate by larger ships. The submarine was thought to be the perfect naval vessel. The concept ...
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White Blood Cells Lymph Nodes
284 wordsYour immune system is a complex array of organs, cells and molecules distributed throughout your body. Each part of the system contributes to the growth, development or activation of lymphocytes, sophisticated white blood cells that play a major role in your immune response. White blood cells originate in bone marrow. Some then migrate to your thymus where they develop into specialized types of immune cells. From bone marrow and thymus, some white blood cells gather in lymph nodes and other immu...
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Diplomatic Relations Congress Passed
296 wordsThe outlook of the U. S. entering WWI became most promising after the chain of events following the sinking of the Lusitania. Each situation made the U. S. more vulnerable for entering the war and finally there was no honorable way to stay neutral. Germany created a war zone within the waters surrounding Great Britain and Ireland so that German sub-marines could sink enemy vessels. The passenger ship, Lusitania, was torpedoed by the Germans because they claimed that the ship was carrying arms, a...
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