A 17-year-old California girl died last week awaiting a liver transplant. Growing Bolder introduces you to a man who was one of the lucky ones to receive his transplant and is now spreading the message of organ donation.

She's cycling for a cause, and not only changing the world -- changing her own life for the better! See what Lynn Smythe, aka the Bike Diva, says about heroes, having fun, and staying active.