PHED-1507EL Chapter Notes - Chapter 18: Superior Vena Cava, Posterior Interventricular Artery, Anterior Interventricular Branch Of Left Coronary Artery
Document Summary
Right side of the heart receives oxygen-poor blood from body tissues then pumps this blood to the lungs where it picks up oxygen and dispels carbon dioxide. Blood vessels that carry blood to and from the lungs is what forms the pulmonary circuit. Left side of the heart, receives oxygenated blood that is on its way back from the lungs, pumps this blood throughout the body to supply oxygen and nutrients to body tissues. Blood vessels that carry blood to and from all body tissues for, the systemic circuit. Heart is enclosed in a double-walled sac called the pericardium. Outer part of the pericardium is called the fibrous pericardium and its main purposes are; Prevent overfilling of the heart with blood. Under the fibrous pericardium lies the serous pericardium which is a thin, slippery, double-layered membrane that forms the closing sac around the heart. The parietal layer lines the internal surface of the fibrous pericardium.
