![Professor Tal Dvir presents a 3D print of heart with human tissue at the University of Tel Aviv on April 15, 2019. (Photo/Agencies)](http://www.ecns.cn/hd/2019/04/16/e80c4a827c134680870c3ef5d90313cf.jpg)
Professor Tal Dvir presents a 3D print of heart with human tissue at the University of Tel Aviv on April 15, 2019. (Photo/Agencies)
![This photo taken on April 15, 2019 at the University of Tel Aviv shows a 3D print of heart with human tissue. (Photo/Agencies)](http://www.ecns.cn/hd/2019/04/16/d4f3d865068042c1b99a692b646f8099.jpg)
This photo taken on April 15, 2019 at the University of Tel Aviv shows a 3D print of heart with human tissue. (Photo/Agencies)
![A tiny heart is made in a 3D printer in a process developed by Tel Aviv University scientists. (Photo/Agencies)](http://www.ecns.cn/hd/2019/04/16/4c29bb7f06e3401eb29df183e9cfa0f3.jpg)
A tiny heart is made in a 3D printer in a process developed by Tel Aviv University scientists. (Photo/Agencies)
![A tiny heart is made in a 3D printer in a process developed by Tel Aviv University scientists. (Photo/Agencies)](http://www.ecns.cn/hd/2019/04/16/56019f2d4c4d4cb49f76516f699ad302.jpg)
A tiny heart is made in a 3D printer in a process developed by Tel Aviv University scientists. (Photo/Agencies)