Heart Anathomy - Heart Structure

The structure of the heart is different for the different sectors of animal life. (See circulatory system.) Cephalopods have two "Gill Heart " and "the heart of the system ". In vertebrates, the heart from the chest of the body is removed in the intestine. It is always steady but by the pericardium, which can usually surrounded a different structure, with the peritoneum in jawless and cartilaginous fishes.