Donate your organs. You do not need them when you are dead anyway. Find out what to do in your country.
Previous responses:
"It's a very good idea and I would encourage everyone to participate." - Agnieszka Marszalek "I've been an organ donor since a donor liver saved my step-dad's life. Please do it, it matters!" - Alexander Paulus "I have always sifned my donor card ,"Yes."" - Helga Ganguly