Scientists trying to build human hearts for organ transplants

[youtube]http://www.youtube.com/watch?v=pd3TFB0wOI0[/youtube]

There has already been success by researchers in growing tracheas, bladders, and body parts like noses on scaffolds using stem cells. Why not try to develop something more complex, like a heart or lungs? Dr. Harald Ott is a surgeon and researcher at Boston’s Massachusetts General Hospital who has been working on this very question.

 

 

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