{"id":4793,"date":"2020-05-26T10:46:03","date_gmt":"2020-05-26T10:46:03","guid":{"rendered":"https:\/\/www.homeworkjoy.com\/infographics\/?p=4793"},"modified":"2022-07-02T05:11:27","modified_gmt":"2022-07-02T12:11:27","slug":"what-are-the-functions-of-heart-and-its-structure","status":"publish","type":"post","link":"https:\/\/www.homeworkjoy.com\/infographics\/what-are-the-functions-of-heart-and-its-structure\/","title":{"rendered":"What Are the Functions of Heart and Its Structure"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Do you know which is the central part of our circulatory system? Yes, it is our heart. It is primarily responsible for distributing oxygen and pumping blood in our whole body. Due to these tasks, the heart is considered the central part of our body. Thus even a small dysfunction or abnormality of the heart can hamper the whole body.\u00a0<\/span><\/p>\n<blockquote><p><span style=\"font-weight: 400;\">To understand human organs better, also check the following:\u00a0<\/span><\/p>\n<p><a href=\"https:\/\/www.homeworkjoy.com\/infographics\/tips-and-learning\/types-of-white-blood-cells-with-functions\/\"><span style=\"font-weight: 400;\">Types of White Blood Cells with Functions<\/span><\/a><\/p>\n<p><a href=\"https:\/\/www.homeworkjoy.com\/infographics\/subject\/main-stages-of-cell-division-in-the-human-body\/\"><span style=\"font-weight: 400;\">Main Stages of Cell Division in the Human Body<\/span><\/a><\/p><\/blockquote>\n<p><span style=\"font-weight: 400;\">A healthy adult\u2019s heart could go on 72 beats per minute; this cycle is known as the cardiac cycle. Let\u2019s what is the function of the heart and its structure:<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Structure of the Heart<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The human heart consists of four chambers: two atria and two ventricles.\u00a0<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Atria<\/span><\/h3>\n<h3><span style=\"font-weight: 400;\">There are two chambers known as atria, located in the upper right portion of the heart. The main aim is to receive oxygen-free blood. These chambers are separated by valves known as atrioventricular valves.\u00a0<\/span><\/h3>\n<h3><span style=\"font-weight: 400;\">Ventricles<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Ventricles are the lower two chambers of the heart. Their main function is to pump oxygen-rich blood throughout the whole human system. Due to these ventricles, blood can reach even to a small cell. Likewise, artia, ventricles too, are separated by valves known as semilunar valves.\u00a0\u00a0<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Circulatory System<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The human circulatory system is divided into three sections:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Pulmonary Circuit<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Blood first enters into this unit and gets oxygenated; then, it carries deoxygenated blood away from the right ventricle to the lungs. After that, the blood comes back to the left atrium.\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Systemic Circuit<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Oxygenated blood distributed into the whole body. Also, it collects carbon dioxide and waste products from different parts of the body.\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Coronary Circuit<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The circuit circulates blood to various blood vessels. The main aim is to provide oxygenated blood, especially to the brain vessels.\u00a0\u00a0<\/span><\/p>\n<h3><b>Layers of Heart<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">There are three layers of the heart:\u00a0<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Epicardium\u00a0<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The outer layer of the heart which protects the inner layer and assists the production of pericardial fluid. This layer is composed of mesothelial cells and connective tissues.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Myocardium<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The middle layer of the heart, which assists cardiac muscle contraction. This layer of the heart is composed of cardiomyocytes.\u00a0<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Endocardium<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The innermost layer of the heart chambers and valves which protects heart valves. It comprises of subendocardial.\u00a0<\/span><\/p>\n<h3><b>Blood Vessels<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">All the blood that heart pumps pass through these blood vessels. These vessels are like elastic tubes that carry blood to the whole human system. So these are essential to sustain life. There are <\/span><a href=\"https:\/\/www.homeworkjoy.com\/infographics\/tips-and-learning\/types-of-blood-vessels-with-functions\/\"><span style=\"font-weight: 400;\">three main types of blood vessels<\/span><\/a><span style=\"font-weight: 400;\">: arteries, capillaries, and veins.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Thus these were some functions of the heart along with its structure. If you want more help related to the biology topic, get instant <\/span><a href=\"https:\/\/www.homeworkjoy.com\/biology-help\/\"><span style=\"font-weight: 400;\">Biology assignment help<\/span><\/a><span style=\"font-weight: 400;\"> from our experts.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Do you know which is the central part of our circulatory system? Yes, it is our heart. It is primarily responsible for distributing oxygen and pumping blood in our whole body. Due to these tasks, the heart is considered the central part of our body. Thus even a small dysfunction or abnormality of the heart [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4794,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.2.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What Are the Functions of Heart and Its Structure<\/title>\n<meta name=\"description\" content=\"Learn what the functions of the heart and its structure are. 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