18. In the mummification process described, which internal organ was typically left intact by the ancient Egyptians?

In the mummification process practiced by ancient Egyptians, the heart was typically left intact. The heart was considered the center of intelligence and emotion, and it was believed to be necessary for the individual's afterlife. Other internal organs were usually removed, embalmed, and stored in canopic jars, but the heart was often returned to the body or placed back inside the chest cavity.