What is the heart? The heart is the organ that supplies blood and oxygen to all parts of the body. It is about the size of a clenched fist‚ weighs about 10.5 ounces and is shaped like a cone. The heart is located in the chest cavity just posterior to the breastbone‚ between the lungs and superior to the diaphragm. The heart is surrounded by a fluid filled sac called the pericardium. Blood is pumped away from the heart through arteries and returns to the heart through veins. The major artery of the
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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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1 Background (750) Just over one in five adult Australians (22%) report having at least one form of cardiovascular disease (CVD) [AIHW]. All statistical information on the prevalence of CVD relies on self-report measures‚ meaning those with mild forms who have not yet sought treatment and those with an inability to adequately report their own health are not properly represented. The self-report survey used‚ did not include any people living in care facilities‚ and since CVD is most common in individuals
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The Heart and Circulation of Blood In this research paper‚ I will be analyzing the process of blood circulation within the human body. I will be focusing on the pulmonary circuit and the systemic circuit‚ as well as the relationship with the hepatic portal system. The combination of these systems allows the body to function properly and maintain unconscious homeostasis. I will also be talking about the effects that fitness and diet have on these processes. The pulmonary circuit passes already-used
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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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Introduction In the United States‚ Cardiovascular Disease (CVD) remains the greatest common cause of death. Cardiovascular Diseases‚ also known as the common heart diseases‚ are any conditions that involve blocked blood vessels that can lead to either a heart attack or other heart problems. The common types of CVD are coronary artery disease‚ high blood pressure‚ stroke‚ and arrhythmia. CVD is a major disease that will not show any symptoms until the disease is at its extreme. Yet numerous adults are unaware
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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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Health Promotion- Non Communicable Diseases Non communicable diseases are leading threat to health and development. “Non communicable diseases (NCD’s) outpace all other causes of morbidity and mortality each year‚ though most NCD’s have modifiable risk factors and are preventable” (WHO‚ 2012). Non communicable or chronic diseases are diseases of long duration and generally slow progression. NCD’s are leading causes of death worldwide and 80% of deaths occur in low and middle income countries. The
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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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Complexity of the heart Sumintera Rodriguez September 19‚ 2015 Kaplan University Complexity of the heart From a young age we are taught what the heart is from pictures‚ books and even signs that the heart is the color red‚ shaped with two humps at top and comes to a point on the end. On the daily we see commercials like cheerios explain to us how important it is to take care of our heart. Yet in all actuality the heart is a complex organ that not all are fully aware of and if were to actually
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