PPT-6.2.U 8 The heart beat is initiated by a group of specialized muscle cells in the right

sinoatrial node AND 62U9 The sinoatrial node acts as a pacemaker AND 62U10 The sinoatrial node sends out an electrical signal that stimulates contraction as it is propagated through the walls of the atria and then the walls of the ventricles. Anna . Ephgrave.  --------------------------------------------------. The webinar slides can be downloaded and printed from:. http://bit.ly/AE-webinar. If you have any questions, please type them in your chat box during the presentation.. What is Muscle Tissue?. Composed of cells that are highly specialized to shorten in length by contractility.. Made up of cells that are called . myocytes. .. Elongated in one direction (muscle . fibres. Capillary brings oxygen, nutrients, hormones to cells. Cells give CO. 2. . , hormones, nitrogenous wastes back to capillaries. Nutrients Exchanged. Filtration and diffusion occur due to osmotic and blood pressure. Anna . Ephgrave.  --------------------------------------------------. The webinar slides can be downloaded and printed from:. http://bit.ly/AE-webinar. If you have any questions, please type them in your chat box during the presentation.. 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:. Heart Anatomy. Approximately the size of a fist. Location. In the mediastinum between second rib and fifth intercostal space. On the superior surface of diaphragm. Two-thirds to the left of the midsternal line. 101.1 The BEAT. is music intensive, with an aim to bring our audience back to a simpler time of youth, parties, friends, family and fun!  The BEAT features the pioneers and pillars of Hip Hop music.  The best Hip Hop over the last 30 years finally have a place to call home on the FM dial. . Specialized and subspecialized clinic in two morning and evening shifts has following wards Morning shift educational and treatment clinic1Perinatology2Urogynecology3Internal ward4Specialized for gyne 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. l.the bulbus cordis. . 2.the ventricle. . 3.the atrium. . 4.the sinus venosus. . bulboventricular part is inside pericardial cavity, . initially paired atrial & sinus parts are in mesenchyme of septum transversarium,. mechanical function:. from tissue model to organ model . Vladimir. . Zverev. , Sergey. . Pravdin. , . Leonid. . Katsnelson. , Olga. . Solovyova. . Ural Federal University, . Institute of Immunology and Physiology,. Left Atrium. Left Ventricle. Pulmonary Artery. Superior . Vena . Cava. Inferior. Vena. Cava. Pulmonary . Vein. Pulmonary . Vein. For the following slides. Blue = Deoxygenated. Red = Oxygenated . . 1. . DR.SAEED VOHRA. OBJECTIVES. At the end of the lecture, the student should be able to :. Describe the shape of heart . regarding . apex. , base, . sternocostal. and diaphragmatic surfaces.. Describe the interior of heart . The muscular . tissue consists . of all the muscles of the body. These make up . almost 42. % of total body weight, and are composed of . long cells . known as fibers. The fibers are different lengths and vary in color from white to deep red.