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 heart is located in the thoracic cavity. This places the heart between the lungs, behind the sternum, in front of the thoracic vertabrae, and above the diaphragm. The heart's apex (conical tip) lies on the diaphragm and points to the left of the body. It is at the apex where the heartbeat is most easily felt and heard through the stethoscope.