Human heart sacrifices in Mesoamerica (IMAGE) University of Chicago Press Journals Caption Figure 5. Ritual official holding a dripping heart, pierced with a large curved knife, Atetelco murals, Teotihuacan Credit Courtesy of the authors, Tiesler and Olivier Usage Restrictions Must be used in context of the article. License Licensed content 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.