Mummy A mummy is the body of a person (or an animal) that has been preserved after death. Natron Natron is a natural salt found on the banks of the Nile River. Ancient Egyptians used it to dry out bodies during the mummification process. Resin Resin is a glue substance made from plants. It is used to wrap bodies with linen to mummify. Canopic Jars Canopic jars are the containers where the mummy’s organs were stored. The canopic jars were then put inside a canopic chest and then placed in the tomb.