The heart is a hollow muscular organ that pumps blood throughout the blood vessels to various parts of the body by repeated‚ rhythmic contractions. It is found in all animals with a circulatory system‚ which includes the vertebrates. The adjective cardiac means "related to the heart" and comes from the Greek καρδιά‚ kardia‚ for "heart". Cardiology is the medical speciality that deals with cardiac diseases and abnormalities. The vertebrate heart is principally composed of cardiac muscle and connective
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A solution to Heart Disease By: John Palsson Heart diseases have emerged as a big problem today and the biggest contributor to this increment has been the increase in rate of obesity. Heart diseases are fatal and they can also impair the other parts of the body. Hence knowing about the problems and solutions related to heart diseases are vital as they can also help you to combat them and retain good health throughout your life. Information on these heart diseases is vital because knowing more about
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HEART-LUNG MACHINE eng. Hassanain Ali Lefta Mossa * ‚ HasAli76@yahoo.com During an open-heart surgery (such as valve surgery)‚ an extracorporeal (i.e. outside the body) equipment called the heart-lung machine takes over the functions of the heart and lungs‚ so that the heart can be carefully stopped while the vital organs continue to receive blood and oxygen. The surgeon can then operate in a blood-free surgical field without interference from bleeding or the heart’s pumping motion. The principle
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processes in the body‚ were far more advanced than that of his predecessors. His value of empirical research aided and ultimately enabled him to study a variety of natural phenomena. In this paper‚ I will focus on Aristotle’s account of the anatomy of the heart and its relation with a network of other organs (modernly known as the cardio vascular system) such as the veins and arteries and their relation to the respiratory functions of organisms. The cardio vascular model that Aristotle describes in works
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Decision Memo for a Heart Transplant This memorandum serves three purposes: (1) declares the chosen person for the heart transplantation; (2) outlines the decision process; (3) evaluates possible outcomes of the made decision. Among the three qualifying candidates who were in need of the transplant‚ the person that was chosen to go through the process of heart transplant is Lisa; a 12-year-old female who has suffered from health issues all throughout her life. Lisa has suffered from various
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smoking itself is a high risk to contract the disease. Non-smokers also have to pay attention to the air they are breathing because the smoke around you can kill you! What is heart disease? Many of us at a young age believe that heart disease can only happen to "older" people. The truth is that heart disease has to be considered while a person is young‚ how a person takes care of their body inside and out will determine what diseases are in store at an older age. For instance‚ cardiovascular
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coronary heart disorder. there are numerous unique varieties of coronary heart disorder. The most common reason of coronary heart disease is narrowing or blockage of the coronary arteries‚ the blood vessels that deliver blood to the heart itself. this is called coronary artery sickness and happens slowly through the years. it is the principal cause humans have heart attacks. other styles of coronary heart problems may additionally show up to the valves in the heart‚ or the coronary heart might not
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stress What is Stress? Stress can be defined as negative concept (Mental symbol use in denoting classes of things) which possesses the potential to influence a person’s psychological and physical wellness (Wikipedia: 2012) Stress can also be described as normal but physical responses to conditions‚ events‚ occurrences‚ situations which try to deprive us of our balance in anyway. For example‚ when somebody senses danger whether real or imagined‚ the body mechanism of defences immediately kicks
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Exam #1 Spring 2002 Anatomy and Physiology 2150 Dr. Jones Choose the correct answer for each question and mark it on your bubble sheet. Be careful to follow the instructions on the bubble sheet for correctly recording your answers. 1. Which of the following statements is true? A. Blood is an organ B. Blood is a connective tissue X C. Blood is composed of living cells only D. None of the above 2. Which of the following would be considered a normal
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The purpose of this lab was to find my and my fellow classmates resting heart rate and record it. There were seven people in the class and we all participated in this study. There are four places to check heart rate and they are in your wrist‚ the inside of your elbow‚ the side of your neck‚ or the top of your foot. Everyone used the wrist or their radial artery. We used our middle and index fingers to gently feel for the radial artery in each others pulse. I then counted the pulse for 10 seconds
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