Kingdom of Hadhramaut (violet) in the 3rd century CE during the Sabaean-Himyarite war, it was eventually annexed by the Himyarite Kingdom.
Location of the Heart. Heart is located safely inside the chest cavity which looks like a cage bound by the ribs and breast bone (sternum). The chest cavity is also called as thoracic cavity and it lies between neck and abdomen.
The sternum is located in the middle of the thorax, in between the two sets of ribs. 1  Early on during development, the sternum is divided into 3 regions, each known as sternebra. 2  The average length of the sternum is approximately 17 cm. 3  The sternum connects to the ribs via cartilage.