what happens to all the mass of a human body that doesn’t turn to ash after a cremation?

Question

what happens to all the mass of a human body that doesn’t turn to ash after a cremation?

In: Chemistry

Answer 1

They are put into the urn with the ash.
After the cremation, the only part that can remain are small parts of bones or stuff like that.

Since it’s pretty small, they put it in the urn