molten resin
they used salt
Ancient Egyptians would use molten resin to stuff this material in the mummy's body during the process of mummification.
they were used to preserve organs during the mummification process in ancient egypt
it was called an canopic jar
The substance was bee's wax.
The beeswax was placed over the eyes, nose, and mouth and over incision places to cover up the cuts.
Natron salt was used during the mummification process in ancient Egypt. Natron is a naturally occurring mixture of sodium carbonate and sodium bicarbonate, which helped dry out the body and preserve it for the afterlife.
It wasn't. Mummification was used by anyone who could afford it and for animals.
Nothing happened to the soul during mummification, it was necessary to ensure the body of the deceased did not decompose and mummification was a ritual to prepare the soul for what was ahead in the journey into the Duat to the ancient Egyptian way of mind.
The heart.
natron
yes