What is the Xvid codec: The Xvid Codec (formerly capitalized differently: XviD) is a video encoding and decoding (playback) codec designed to compete with the popular DivX codec.
The heart is located in the chest between the lungs behind the sternum and above the diaphragm. It is surrounded by the pericardium. Its size is about that of a fist, and its weight is about 250-300 g.he heart is located in the chest between the lungs behind the sternum and above the diaphragm. It is surrounded by the pericardium. Its size is about that of a fist, and its weight is about 250-300 g.
The myocardium (cardiac muscle), is the thickest section of the heart wall and contains cardiomyocytes, the contractile cell of the heart. Describe myocardial thickness and function in the heart. Coordinated contraction of cardiomyocytes causes the heart to contract and expel blood into circulation.