Highly detailed 2-part heart at a price you will love. The front heart wall is detachable to reveal the chambers and valves inside. Heart just slightly smaller than life-size with exquisite anatomical detail throughout. Heart includes venal bypasses to the right coronary artery, to the ramus interventricularis anterior, and also to the ramus circumflexus of the left coronary artery, which are shown in color. This heart model is a great aid explaining the treatment of coronary heart disease. Heart on removable stand. Now included with all 3B Scientific Anatomy models is the 3B Smart Anatomy app. This app allows users to register their 3B item to extend the warranty from 3 to 5 years plus free 1 year access to the 3B Smart Anatomy app which includes 23 Anatomy lectures, 117 interactive models and 39 quizzes.