Organ transplants and animal research
Consultant surgeon Geoff Koffman explains that while the prognosis for kidney transplant has improved rejection is still a problem. We also hear how research with mice has reduced this problem. Mice with two hearts are used to investigate the process of rejection. Transplanting a heart from one mouse to another takes great surgical skill.
See also http://www.understandinganimalresearch.org.uk/why/human-health/organ-transplants/ ; http://animalresearch.info/en/listing/153/heart-transplants-successful-in-humans/ and http://www.understandinganimalresearch.org.uk/news/2013/07/a-new-way-to-prevent-transplant-rejection/