Treatment of human body for medical research - 18 March 1975

To your fourth questions, a Bahá'í when dissecting a human body for the purposes of medical study, should keep in mind that since the body was once the temple of the spirit it must be treated with respect even though there is no further connection between the two. 

- The Universal House of Justice  (From a letter dated March 18, 1975 to an individual believer; compilation: ‘Lights of Guidance’)