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 heart is an organ found in every vertebrate. It is a very strong muscle that is about the size of a fist. It pumps blood throughout the body. It has regular contractions, or when the heart squeezes the blood out into other parts of the body. Cardiac and cardio both mean about the heart, so if something has the prefix cardio or cardiac, it has something to do with the heart. Myocardium means the heart muscle: 'myo' is from the Greek word for muscle - 'mys', cardium is from the Greek word fo