Giant heart model rvfm 52 2609 this extra large model of the human heart is ideal for use in the laboratory or classroom for biology or anatomy studies this model is cut by a vertical line towards the ventricular septum and separates into two parts after the arch of aorta and superior venacava have been removed both atria and ventricles with bicuspid and tricuspid semilunar valves as well as sigmoid valves can be seen rvfm giant heart