Population density shows how cramped or spread out inhabitants are. Cities with high population densities can be considered overpopulated, but the extent to which this is the case depends on factors like quality of housing and infrastructure and access to resources. Source: Wikipedia, 2017.
Livor mortis on the posterior aspects of the body is caused by settling of the blood because of gravity when the body is in a supine position. As the postmortem interval lengthens, Tardieu spots develop in areas of lividity, such as this individual's shoulder area, as decomposing capillaries rupture.
The sternum is made up of three parts, Manubrium, Body of sternum and Xiphoid process. Sternum pain may be due to various reasons, they are as follows: 1  Trauma on the chest wall may cause inflammation of the cartilage joining the ribs and sternum, this is also called costochondritis.