The decision to donate can be made prior to death:

When making pre-need arrangements with the family the Funeral Director can offer and assist the family in registering as a donor.

There are two ways the Funeral Director can do this:

If the family would like to donate their body to science they may call the UC San Diego School of Medicine Body Donation Program at: 858-534-4536 or visit their website at: bodydonation.ucsd.edu.