It certainly appears at first that there were a bewildering array of Gods in Ancient Egypt. These ranged from 'National' deities such as Atum, Ra, Osiris and Isis, down to local Gods for all the towns and regions, as well as patron Gods for different trades. In addition, there was also worship of ancestors, such as deified Pharaohs and scribes.
Some of the world's best known mummies were created accidentally, when a body's final resting place happened to prevent the natural process of decaying. But many cultures around the world have sought to mummify their dead on purpose. The process of artificially preserving a dead body is called Embalming and the methods used are as varied as the cultures themselves.
Historically, quick drying has been the most common method of mummification, since bacteria and fungi cannot grow where there is no water. Mummies can be dried in the sun, with fire or smoke, or with chemicals. Since most bacteria and fungi cannot live in sub-freezing temperatures, permanent freezing can also produce a Mummy