A heart transplant is a type of surgery where someone's heart is removed and another one is put in because theirs is not working properly. The new heart is taken from a dead person who does not need it any more. The first heart transplant on a human was done by Christiaan Barnard in December 1967.
- "A Science Odyssey: People and Discoveries: Christiaan Barnard". pbs.org. 2011 [last update]. Retrieved March 20, 2011. Check date values in: