miniPUMP in motion (VIDEO) Boston University This video is under embargo. Please login to access this video. Caption On the left, a chamber of the miniPUMP beats thanks to the contraction of the cardiac tissue. As the tissue beats, it ejects fluid out of the chamber (right)—just as a human heart would pump blood. Credit Credit: from Michas et al., Sci. Adv. 8, eabm3791 (2022). This work is licensed under CC BY-NC Usage Restrictions Provide video credit to: Michas et al., Sci. Adv. 8, eabm3791 (2022). This work is licensed under CC BY-NC 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.