The heart is one of the most important organs in your body. So what does it do? It’s function is to pump blood to all the other organs. But the heart can not function alone‚ it has other organs and blood vessels helping it. The human heart is a pear shaped and about the size of a human fist. It is made of muscle and there are three different layers. The outer layer is called the epicardium. The middle layer is called the myocardium which is made of muscles that contract. The inner layer is called
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Heart Failure and Incident Late –Life Depression According to Hendrika J. Luijendijka et al. They have written an article discussing about heart failure and depression in elderly people. In the article “Heart Failure and incident late-life Depression.” The aim of this research is to determine if heart failure (HF) increases the risk of developing depression.” They have gathered five thousand and ninety-five participants with majority of elderly individuals. To specify‚ researchers collected patients’
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of the heart October -08 -12 TUBE FORMATION • 15 days after conception ○ Begins as flat sheet of mesodermal cells (cells of the mesoderm layer in an embryo) • Day 18-20 ○ The cells form a horse -shoe shape (cardiogenic region) ○ Angiogenic cell clusters coalesce to form right and left endocardial tubes • Day 21 ○ Two endocardial tubes are completely fused • Day 22 ○ Heart begins beating • Day 23 ○ Heart tube forms constrictions prior to looping The first indication of heart development
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Heart of Darkness Essay Light and dark imagery is one element most commonly used in literature‚ and has held specific symbolic meanings for hundreds of years. Simply stated‚ light generally symbolizes good‚ while darkness symbolizes the complete opposite‚ evil. More specifically‚ Conrad uses detailed imagery of light and dark to show that white men can in fact be more savage than the natives. While the contrast of light and dark‚ white and black‚ and good and evil is a common theme in his novel
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Hashimoto’s Disease vs. Graves Disease Anna Grochowski Salter College Anatomy and Physiology II September 18‚ 2013 Dr. P. Wong Hashimoto’s disease can also be called chronic lymphocytic thyroiditis or autoimmune thyroiditis. An autoimmune disease happens when the body’s immune system attacks it’s own cells and organs instead of its normal job of protecting the body from infection. Hashimoto’s disease specifically attacks the thyroid gland‚ causing inflammation
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Huntington’s Disease or Alzheimer’s Disease? As the body ages through time‚ many of the functions will slowly begin to diminish and deteriorate‚ including the nervous system. The nervous system is made up of your brain and the many different neurons that transmit signals to and from the body. One of the most common ways the nervous system deteriorates is when the connections between two neurons diminish‚ or build plaque. The brain uses neurons to send signals to each other‚ in order to get our
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A heart attack is also known as a myocardial infarction. A heart attack is when a part of the heart muscle is damaged or dies because it is not receiving oxygen. A heart attack is the death of heart muscle and it is caused by a sudden block of a coronary artery by a blood clot. Coronary arteries are blood vessels that supply the heart muscle with blood and oxygen. Causing injury to the heart muscle can cause chest main and pressure. If blood flow is not restored within 20 to 40 minutes permanent
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------------------------------------------------- Where the Heart Is Novalee Nation * main character * is seventeen and seven months pregnant when her boyfriend Willy Jack Pickens deserts her at Wal-Mart. * Number seven is her unlucky number. * through her actions we see how dreams can be attained‚ how self-reliance serves Americans well‚ and how the concept of home transcends many problems. * breaks free of becoming a stereotype by maintaining a sense of self-destiny and
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Raynaud’s Disease Few people are aware of Raynaud’s disease even though it is a fairly common condition. Raynaulds Disease is also referred to as Raynauld’s phenonmenon. Raynaud’s is a condition in which cold temperatures or stress cause blood vessel spasms that block blood flow to fingers‚ toes‚ nose‚ and ears. This causes these body parts to suddenly turn ice cold and to become a purple or blue color. Later when the blood flow becomes normal the area turns a reddish color and later returns
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Batten’s Disease People cease to exist each and every day. With every passing minute‚ over one hundred people breathe their last and depart from this world. Death comes by many means: deprivation of food‚ war‚ epidemic‚ disease‚ and old age. Diseases are accountable for death in many people. A prominent family of ailments is neurological disorders. Batten disease is one subset of neurological disorders. Battens assaults its victims in the childhood years and eventually takes their lives
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