Someone left a human heart on a Southwest Airlines flight

Passengers on a Southwest flight from Seattle to Dallas got more drama than they bargained for on Sunday when their plane was forced to turn around and return to Seattle. It was discovered that a human heart, intended as a transplant, had been left on board. 
The plane had made it close to the border of Idaho and Wyoming when the decision was made to turn around and return the heart to Seattle, according to an account in the Seattle Times.
In an email statement to Mashable, Southwest Airlin