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The heart is a muscular organ situated in the mediastinum.It consists of four chambers, four valves, two main arteries (the coronary arteries), and the conduction system. The left and right sides of the heart have different functions: the right side receives de-oxygenated blood through the superior and inferior venae cavae and pumps blood to the lungs through the pulmonary artery, and the left ...
[5] [6] Commonly, the right atrium and ventricle are referred together as the right heart and their left counterparts as the left heart. [7] In a healthy heart, blood flows one way through the heart due to heart valves, which prevent backflow. [4] The heart is enclosed in a protective sac, the pericardium, which also contains a small amount of ...
The atrium (Latin: Ätrium, lit. 'entry hall'; pl.: atria) is one of the two upper chambers in the heart that receives blood from the circulatory system.The blood in the atria is pumped into the heart ventricles through the atrioventricular mitral and tricuspid heart valves.
In the blood supply of the heart, the right coronary artery (RCA) is an artery originating above the right cusp of the aortic valve, at the right aortic sinus in the heart. [1] [2] It travels down the right coronary sulcus, towards the crux of the heart.
Also during season 7, the series produced a musical episode entitled "Song Beneath the Song", featuring songs that became famous through their use in Grey's Anatomy. [215] The show received a 24-episode eighth season renewal, [ 216 ] which commenced on September 22, 2011, with a 2-hour episode, and ended on May 17, 2012. [ 217 ]
The mediastinum (from Medieval Latin: mediastinus, lit. 'midway'; [2] pl.: mediastina) is the central compartment of the thoracic cavity.Surrounded by loose connective tissue, it is a region that contains vital organs and structures within the thorax, namely the heart and its vessels, the esophagus, the trachea, the vagus, phrenic and cardiac nerves, the thoracic duct, the thymus and the lymph ...
The coming years would see additional hand-drawn animated shorts: 1984's Sang Kancil dan Monyet (The Mousedeer and the Monkey) and a 1987 follow-up, Sang Kancil dan Buaya (The Mousedeer and the Crocodile); 1985's Gagak Yang Bijak (The Clever Crow); and Arnab Yang Sombong (The Proud Rabbit) and Singa Yang Haloba (The Greedy Lion) both released in 1986, all written and directed by Hassan Abd.