Axis Scientific Human Heart Model | 2-Part Deluxe Life Size Heart Shows 34 Anatomical Internal Structures | Held together with Magnets on Base | Includes Detailed Product Manual and 3 Year Warranty The Axis Scientific 2 Part Deluxe Life Size Human Heart is a high quality anatomical representation of human heart anatomy. This premium anatomical heart easily bisects for study of the internal structures, and when you are ready to put it back together, the discretely hidden magnets make for easy reassembly. Painted in vivid detail, users gain incredible visual insights on the intricate details of the human heart, including all 4 chambers and bicuspid valves Included with this heart is our full color study guide that features <ul class="a-unordered-list a-vertical"> List of all 34parts that are featured on the spine Heart &#034;map&#034; outlining where parts can be found on the spine such as <ul class="a-unordered-list a-vertical"> Aortic Arch Pulmonary Valve Left Atrium Made of a dense PVC plastic, this heart model will withstand years of constant use.