Bioprinted Lung-Mimicking Air Sac (IMAGE) Rice University Caption Bioprinting research from the lab of Rice University bioengineer Jordan Miller featured a visually stunning proof-of-principle -- a scale-model of a lung-mimicking air sac with airways and blood vessels that never touch yet still provide oxygen to red blood cells. Credit Photo by Jordan Miller/Rice University Usage Restrictions Must credit: "Jordan Miller/Rice University" 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.