OF THE HEART I. LOCATION OF THE HEART The heart is located in the chest between the lungs behind the sternum and above the diaphragm. It is surrounded by the pericardium. Its size is about that of a fist‚ and its weight is about 250-300 g. Its center is located about 1.5 cm to the left of the midsagittal plane. Located above the heart are the great vessels: the superior and inferior vena cava‚ the pulmonary artery and vein‚ as well as the aorta. The aortic arch lies behind the heart. The esophagus
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The data found in this experiment supported the initial statement in the hypothesis‚ that blue would have the highest rate of photosynthesis (see Figure 7). The second part of the prediction was refuted by the data‚ as green had a higher rate than both yellow and red. This result seems to go against the experiment‚ however the answer is in Figure 5. When adding green food coloring to the solution (see Methods) dilution also took place. When comparing the wavelength of 540 nm (see Tables 1 & 2) with
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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
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year old subject’s heart rate read 83 beats per minute (bpm). After doing jumping jacks the 10-12 year old subject’s heart rate read 96 bpm‚ that is a difference of 13 bpm. Before doing jogging‚ the 10-12 year old subject’s heart rate read 82 bpm. But after doing jogging for two minutes‚ the 10-12 year old subject’s heart rate read 92 bpm‚ that is a difference of 10 bpm. As it is shown in my data table‚ before doing sit-ups the 10-12 year old subject’s heart rate read 72 bpm. After doing sit-ups for
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THE HUMAN HEART The human heart is by far one of the most vital organs of the body. It has a mass that ranges from 250 grams to 350 grams. Its contraction and expansion results in 2000 gallons of blood being pumped through the body’s blood vessels per day. It’s located in the middle of the chest protected by the ribcage. Its building blocks are a unique type of muscle known as the myocardium‚ and it’s enclosed by a double-walled membranous sac known as the pericardium. The double-walled membrane
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Joseph Conrad ’s Heart of Darkness does not explicitly deal with a struggle between war and peace: the conflict is a psychological‚ moral one; however‚ the text ’s implications that society is a thin veil over our innate savagery‚ the darkness at the roots of Western civilization‚ reveals disturbing truths about the peaceful‚ orderly lives we take for granted. The key to understanding Conrad ’s novella lies in ascertaining the metaphorical significance of the "heart of darkness‚" a search which may
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December 3‚ 2011 Heart & Lungs The heart and lungs are two separate organs‚ but are “intimately connected” for the proper function of a healthy body. With the function and purpose of both organs‚ one cannot work without the other. The lungs inhale oxygen‚ and then exhale the carbon dioxide and other wastes out of the body. With the heart‚ it pumps blood through the lungs to pick up the oxygen and deposit the waste from traveling through the body. First we start off describing the functions
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Heart Disease By : Nhia Moua Research Question How do you have heart disease when your all healthy? What is Heart Disease? ○ Heart disease describes a range of conditions that affect your heart. What cause Heart Disease? ○ begins with damage to the lining and inner layers of the coronary (heart) arteries. Several factors contribute to this damage. They include: smoking‚high blood pressure How can you have Heart Disease? You have heart disease by smoking. And doing some other stuff like having
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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
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An Analysis on Crimes of the Heart I choose Babe as the character that I would make a “through-line.” She has one of the more detailed and complex background stories. They are complex‚ because it is not extremely evident why they are significant. However‚ once one deeply analyzes her character‚ it becomes evident why these stories about her are so important in trying to understand Babe. Babe’s ultimate goal is to understand her complex reality. Unlike the other Magrath sisters‚ she has been
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