PPT-THE HEART <3 BLOOD AND THE HEART FUN FACTS

An average adult human contains about 5 liters 53qt of blood The blood makes up about onethirteenth of the bodys weight The adult heart weighs about 280 grams 10 oz At rest the heart pumps out about 80 millimeters. By Tonya Brewer. Did you know….. Every cell in the body depends on this muscle!. The heart is the hardest working organ in the body. !. It’s purpose is to carry blood throughout the entire body delivering nutrients and oxygen!. The Pericardium – . membrane surrounding heart. Serous Pericardium . = 1. Parietal - outer layer. 2. Visceral - inner layer (part of . epicardium. ). Layers of Heart Wall. Epicardium. – outermost layer. Location. Superior surface of diaphragm. Left of the midline. Anterior to the vertebral column, posterior to the sternum. Heart Anatomy. Coverings of the Heart: Anatomy. Pericardium – a double-walled sac around the heart composed of:. stroke. High Blood Pressure. Millions of Canadians at risk of . cardiovascular disease. Over 4.7 million people still smoke. Over 60% of Canadians are above a healthy weight. 19% have high blood pressure. It is not so bad !!!. Pump. Tubes. Pump. Tubes. Pump. Tubes. Constriction . or a clog. Higher level. Lower level. Bernoulli's principal. . Pump. Tubes. Walls have build up. Produces. turbulent flow. The Electrocardiogram. . The conduction of APs through the heart generates electrical currents that can be read through the skin. AP = Action Potential. Currents picked up by electrodes. The recording is called an . is . about . the . size of a . fist.. Located in the . mediastinum. (space between lungs, backbone, sternum. ).. The distal end of the heart is called the . apex. .. Sagittal view of the thoracic cavity, lung removed. . Understandings. U.D.4.1: structure of cardiac muscle cells allows propagation of stimuli through the heart wall. . U.D.4.2: signals from the sinoatrial node that cause contraction cannot pass directly from atria to ventricles.. Located within bony thorax (ribs) and is flanked on each side by lungs. Apex points toward your left hip and rests on your diaphragm. Wall of the Heart. The heart is enclosed by double sac of serous membrane called pericardium. a closed fist. It is located in the . mediastinum. , which is the area in the center of the chest, under the sternum. The heart acts as a . double-sided pump. , moving deoxygenated blood to the lungs and oxygenated blood to the body. Kassy. McMahon, RN (BScN) . Statistics . Heart disease is the second leading cause of death in both males and females in Canada. . Men are 2 times more likely to suffer a heart attack than women.. Approximately 2.4 million Canadians live with. Leading cause of death in the United States for adults. 1 in 4 adults are ill with a form of this disease.. Heart disease develops slowly over a lifetime.. What is the difference between heart disease and cardiovascular disease?. 5 Interesting Facts about the Heart. Each day, your heart beats 100,000 times. . Each minute, your heart pumps 1.5 gallons of blood. . Heart disease is the #1 cause of death. . A normal heart valve is about the size of a half dollar coin. . Heart and circulatory disease is the UK's biggest killer.  In 2001, cardiovascular disease caused 40% of deaths in the UK, and killed over 245,000 people.. . Death rates for heart disease have been falling rapidly in the UK since the late 1970s. Despite this, death rates from CHD in the UK are still amongst the highest in the world.  .