The new political physiology in Mondeville, who continued teaching of Isidore, was based on the knowledge of the human body. It, however, is to rethink the role of the heart in order to use it as a metaphor for the emerging states: "The heart is the main organ of the dominant, which provides all the other parts of the body with blood, warm, breathes life into them. It is located in the middle of the chest, as required by his role, just as the king remains in the midst of his kingdom. " Which body was in the main body, according to the text of Henry de Mondeville? - Asks Marie-Christine Pushel. And give an unequivocal answer: the heart, that is the king.