3-D Printed Heart (image) University of Manchester Share Print E-Mail Caption This is a 3-D print in plastic showing the same heart. You can handle the print and point out the cardiac conduction system. The heart is printed in three pieces (two shown here) so you can open it and see the interior surface. Credit The University of Manchester Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.