1 The heart is a muscular organ found in all animals with a circulatory system. The heart pumps blood throughout the blood vessels by contractions. Cardiac means “related to the heart”‚ and comes from the Greek. The vertebrate heart is made up of cardiac muscle‚ it’s an involuntary striated muscle tissue found only in this organ‚ and connective tissue. The male’s heart weighs 9-11 ounces‚ and the female’s heart weighs about 11-12 ounces. A person’s blood pressure has major effects on their heart;
Premium Heart Blood Myocardial infarction
SURFACE VIEW OF HEART Position‚ Shape and Size of the Heart: The human heart is located between the lungs in the thoracic cavity (i.e. it is not situated on the left side of the chest). The heart is a hollow‚ fibro-muscular organ and is somewhat conical in shape. It is about the size of one’s fist‚ measures about 12 cm in length and 9 cm in breadth. Its weight is about 300 g in an adult. The heart is enclosed in pericardium (a double- layered membranous sac). It protects the heart from mechanical
Premium Heart
those who commit harmful deeds and expect to feel glory instead of feeling guilty. In other words‚ those people will surely be surprised to find that guilt is following closely behind‚ lurking in the dark shadows of their heart. Edgar Allan Poe’s short story‚ The Tell-Tale Heart‚ presents the reader with a main character much like this. In this story‚ there is a troubled man who has been stereotyped as a crazy person in the past. However‚ he insists that he is not; he is simply advanced in his senses
Premium Edgar Allan Poe The Tell-Tale Heart
Throughout the novel Heart of Darkness Conrad uses the motif of the heart to thoroughly explain how dark people and places really can be. Conrad uses the heart as a symbol for the entire continent of Africa. The heart is also used to show what the heart of mankind truly is. Another use of the heart is as a representation of the inner station‚ which shows the darkness of exploitations through Kurtz. The different uses of the heart are amplified through such literary devices as irony‚ imagery‚ and
Free Heart of Darkness Joseph Conrad Europe
Heart 1. Blockage of which of the following arteries would lead to ischemia of the apex of the heart? a. Anterior interventricular (descending) b. Left circumflex c. Posterior interventricular (descending) d. Right marginal e. Right coronary 2. If the ductus arteriosus does not spontaneously close off soon after birth (to become the ligamentum arteriosum)‚ it may have to be surgically ligated. When clamping or ligating it‚ what important structure immediately behind it must be identified
Premium Heart
The Shifting Heart Essay The Shifting heart is set in 1956 in the working class suburb of Collingwood‚ Melbourne. The play addresses racism treatment towards immigrants in post war Australia. Refugees were given jobs as labourers. The play is written as a response to the violent death of a polish immigrant‚ who violently took his own life at Christmas. The play itself is also set on
Premium Australia World War II Italian language
walled tubes forming part if the circulation system by which blood is conveyed from the heart to all the parts of the body 4. Bundle of His Collection of heart muscles specialized for electrical conduction 5. Capillaries Any of the fine branching blood vessels that form a network between the arterioles and venules Heart vocabulary: Inferior vena cava A large vein carrying deoxygenated blood into the heart from the lower body Left atrium Receives oxygenated blood from the pulmonary veins
Premium Heart Blood
Living in the Shadow of Heart Disease In the United States‚ every year more than 1 million Americans suffer from a heart attack. This number although it may not seem like a lot‚ is indeed quite high. Heart disease is a major killer that can in fact be controlled. If more people would watch what they eat‚ do simple exercises‚ and restrict physically damaging activities‚ such as smoking‚ they could lower their risk of a heart attack or heart disease. Many people do things that short term‚ have little
Premium Myocardial infarction Coronary artery disease Atherosclerosis
INSTITUTE OF BUSINESS and TECHNOLOGY (SIBTECH) In consortium with RIZAL TECHNOLOGICAL UNIVERSITY (RTU) ADVANCED CURRICULUM DEVELOPMENT REACTION PAPER THE HEART OF A TEACHER As I leaned on my headboard‚ I found myself heading towards the enjoyment of reading this article about how the real teacher teaches with his/her heart in the classroom. And so I started reflecting on what kind of a teacher I am. Teaching at first has not come in my wildest dream but since the family whom I came
Free Education Teacher School
A REPORT ON HEART DISEASE Contents ACKNOWLDGEMENT 3 METHODOLOGY 4 INTRODUCTION 5 Heart 5 Heart Disease 5 CAUSES (RISK FACTORS) 7 Uncontrollable Causes: 7 Controllable Causes 8 EFFECTS 13 PREVENTIVE MEASURES 16 SOME DATAS AND FACTS ABOUT HEART DISEASE 20 CONCLUSION 22 REFERENCES 22 ACKNOWLDGEMENT It is a great pleasure for me to express gratitude to the people who have been influential and supportive in the successful completion of this assignment. First and foremost‚ I would
Premium Heart Cardiology Medicine