The heart of a 16-year-old boy who died in a road accident in Chennai, South India, on Wednesday now beats inside a 9-year-old girl. In a precious instance of humanism rising amidst a tragedy, the teenager’s doctor parents took this brave decision of donating his heart, eyes, kidneys, liver and bone marrow after he was declared brain dead. The parents said they did not want to burn their son’s body and decided to extend this gift of life to others who were in dire need of…