13+ External Structure Of Heart Diagram. Photograph of a human heart. The human heart is an organ that pumps blood throughout the body through the circulatory system.
Once the heart is cut open the internal structure of the heart can be seen in figure 2. The heart is located in the thoracic cavity in between the lungs, 60% of it lying to the left of the median plane. Photograph of a human heart.
The atria are separated from the ventricles by the coronary sulcus (auriculoventriculargroove);
13+ External Structure Of Heart Diagram. In humans the heart is located between the lungs and situated in the middle compartment of the chest. Learn more about the heart in this article. It lies in the thoracic cavity, in between the two lungs. It supplies oxygen and nutrients to the tissues and removes carbon dioxide and other wastes.