Scientists Make a Heart Beat In A Laboratory

A heart of a rat was used to experiment the growth of "Spare Part" of a heart in a Laboratory by scientists in University of Minnesota. They stripped the original heart of all the muscles and left only its shell and a few other tissues such as blood vessels and valves. They managed to make the heart 'beat' with its pumping action when they added heart cells which quickly grew. This could prove to be a very important breakthrough in medical science as human or animal hearts can be crafted for transplant.