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 located in the center of the chest, behind the sternum. In this video, Rakesh Jain, MD, an interventional cardiologist at Chippenham & Johnston-Willis Hospitals, describes both the location and size of the average human heart.he heart lies underneath the sternum, or chest bone, and sits a little to the left. The heart is located between the lungs and lies in front of the backbone. It is about the size of a fist. (This answer provided for NATA by the University of Montana Athletic Training Education Program.).