Axis Scientific Large Human Heart Model | 3x Life-Size | 3-Part Numbered Heart Shows 34 Anatomical Internal Structures | Held together with Magnets on Base | Includes Product Manual | 3 Year Warranty This larger than life heart model made available by Axis Scientific shows life-like detail on a big scale. It features two removable parts, and is a great model for classroom display and discussion. This is a numbered model showing numerous anatomical details, and comes with a corresponding, full-color product manual. Using the included study guide, one can identify the following, along with many others <ul class="a-unordered-list a-vertical"> Left Atrium Right Ventricle Ascending Aorta Aortic Valve Left Coronary Artery Axis Scientific strives to satisfy the needs of students and educators in an economical way. Made by Axis Scientific. Measures 8x11x10 inches. Weighs just over 5 lbs.