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The pericardium (pl.: pericardia), also called pericardial sac, is a double-walled sac containing the heart and the roots of the great vessels. [1] It has two layers, an outer layer made of strong inelastic connective tissue (fibrous pericardium), and an inner layer made of serous membrane (serous pericardium).
The cycle diagram depicts one heartbeat of the continuously repeating cardiac cycle, namely: ventricular diastole followed by ventricular systole, etc.—while coordinating with atrial systole followed by atrial diastole, etc.
The heart is a muscular organ found in humans and other animals.This organ pumps blood through the blood vessels. [1] Heart and blood vessels together make the circulatory system. [2]
The cardiac conduction system (CCS, also called the electrical conduction system of the heart) [1] transmits the signals generated by the sinoatrial node – the heart's pacemaker, to cause the heart muscle to contract, and pump blood through the body's circulatory system.
Persaudaraan Setia Hati Terate (lit. "Brotherhood of the Obedient Heart — Lotus", abbreviated as PSHT or SH Terate) is a sports and pencak silat organization (perguruan silat) from East Java, Indonesia, created by Ki Hadjar Hardjo Oetomo in 1922 and was later agreed to be renamed to Persaudaraan Setia Hati Terate at its first congress in Madiun in 1948.