How a human lung is kept alive and breathing for a transplant

It's a pumping lung in a box, basically. Al Jazeera America specifies that its more properly known as the Organ Care System (OCS) but it's basically a human donor long being kept alive and breathing out of the body inside a box. The OCS machine is used to keep the blood and oxygen flowing to the donor organ so that it… » 2/05/14 12:09am 2/05/14 12:09am