The heart is an organ that acts as a ‘’pump’’ because it pumps blood continuously that is rich in a high concentration of oxygen throughout the organs of the human body such as the brain. Blood is carried through tube like structures called blood vessels such as the artery and the vein. The arteries carry blood from the heart at high pressure which contains a high concentration of oxygen and nutrients to supply the organs. Veins carry blood at low pressure to the heart which contains a high concentration
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person who has a heart that is ten times bigger than anybody you know possess and you struggle to keep it from jumping out of your chest most days. The truth is that you are going to be misjudged ninety percent of time and to most people you may come off as crazy. We live in a world that people are so consumed with themselves and are broken by their past that they tend to close themselves off from the rest of the world. People may show a glimpse of caring for others’‚ but their heart does not beat for
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Mars‚ women are from Venus... We are the creatures of the same kind of human beings. We look alike‚ we have a lot of similarities‚ but looking from certain angles it can really seem that we belong to different planets. Deborah Blum in her essay "Heart to Heart: Sex Differences in Emotion" and Daniel Goleman in Emotional Intelligence both offer perspective on gender differences in using emotions. But Deborah Blum focuses more on science and biology why men and women act in certain ways. While‚ Daniel
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him to great heights of creativity and the depths of paranoiac despair. Yet although he produced a relatively small volume of work‚ he virtually invented the horror and detective genres and his literary legacy endures to this day. In the Tell Tale Heart the main character‚ the narrator‚ has a problem with an old man‚ the antagonist‚ whom he is living with. The odd thing is that the problem has nothing to do with old man‚ how he acts‚ or even his attitude towards the narrator. It is simply one of the
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actions. But for unknown reasons following the Revolutionary War‚ the award had “broken service” and was not presented to anyone for approximately 150 years. However‚ it was redesigned in the 20th Century and is now known as the Purple Heart. One example of the Purple Heart is displayed at the home of Mr. and Mrs. James Speller of Windsor‚ N.C. The medal was issued in 1967 in honor of my cousin Ronnie Speller who died while serving in the Vietnam War. The medal was accepted in his honor by his parents
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The leading cause for death in a majority of countries including the United States and India is ischemic heart disease. It is estimated that one fifths of deaths in India are a result of cardiovascular diseases which include coronary heart disease‚ congestive heart failure‚ peripheral arterial disease‚ rheumatic heart disease and many more. These diseases result largely in ischemic heart failure which‚ if severe enough‚ can cause the loss of critical amounts of cardiomyocytes. This can lead to several
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Greed: a Heart of Darkness Every human’s white soul carries a dark stain; an original sin (as a Christian would say) that irks us toward sin. The stain of darkness alienates us from civilization. The stain is an innate quality endowed within‚ which forces a struggle to confine and eventually eliminate the dark stain. This stain is not divinely imprinted on our souls; rather it is a reflection of our values taught us by society and those who are an integral part in forming our character.
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18: The Cardiovascular System: The Heart You should be able to speak intelligently to all of these‚ but the bolded objectives are test material. Objectives Heart Anatomy 1. Describe the size‚ shape‚ location‚ and orientation of the heart in the thorax. 2. Name the coverings of the heart. 3. Describe the structure and function of each of the three layers of the heart wall. 4. Describe the structure and functions of the four heart chambers. Name each chamber and provide
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Open-heart surgery had been one of the largest life saving surgeries performed. The first successful open heart surgery was performed in 1952 by Dr. F John Lewis. He used ice to cool down the heart and slow circulation. The basis of heart surgery involves exposing the heart (open). The sternum must be sawed through to expose the heart. The heart cannot be left pumping during surgery. At first ice was used but now a heart lung machine is used. It involves hooking a tube up to the aorta. Blood goes
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Ischemic Heart Disease (IHD) Coronary heart disease (CHD)‚ also known as ’ischemic heart disease’‚ is the most common form of heart disease. There are two major clinical forms – heart attack (often known as ’acute myocardial infarction’ or AMI) and angina. Coronary heart disease is the term that describes what happens when your heart’s blood supply is blocked or interrupted by a build-up of fatty substances in the coronary arteries. Over time‚ the walls of your arteries can become clogged
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