The Human Heart Anatomy Model With Bypass is a 2-times, life-size anatomy model from 3B Scientific and manufactured in Germany. The heart model is a great help for teaching heart anatomy, even in large lecture halls or classrooms. The front heart wall can be removed to view the inner chambers of the human heart. In addition to the anatomy of the heart, this heart model shows a venal bypass to the ramus postero-lateralis of the right coronary artery, to the ramus interventricularis ant. of the left coronary artery with branching to the ramus diagonalis as well as a bypass to the ramus circumflexus of the left coronary artery. The heart model is on a removable stand. The anatomy model is 12.6 x 7.1 x 7.1 in. and weighs 2.43 lbs.