In many periods, embalmers treated the liver, lungs, stomach, and intestines separately and placed them in four containers. The organs were protected by Imsety, Hapy, Duamutef, and Qebehsenuef, with related goddesses and inscriptions.

Practice changed across three millennia. During parts of the Third Intermediate Period, organ packets could be returned to the body while 'dummy' jars remained in the burial. A canopic set was therefore not one timeless anatomical rule but a changing ritual technology of protection.

In some periods and forms of elite Egyptian mummification, embalmers removed selected organs, treated and wrapped the body, and coordinated canopic containers, amulets, coffins, images, and texts around the deceased. Practices varied by date and status: the heart was often left in place, the brain was not stored in a canopic jar, and later jars could be symbolic rather than functional.

The striking tension remains without making one method universal. Material separation could participate in a ritual project of protection and transformation. Taking a body apart was not the opposite of care; within these particular funerary traditions, it could be one of care's techniques.

A canopic set coordinates materials, organs, deities, texts, containers, tomb space, and skilled labour around one deceased person. 'Supply chain' is a modern conceptual parallel; ancient Egyptians did not reduce the rite to logistics.

The jars show planning for an afterlife within particular Egyptian traditions and periods. They do not show what all Egyptians believed or what 'societies' universally invest in death. Their specificity is the value: eternity imagined through named protectors and carefully placed matter.

In some embalming traditions, four viscera were treated separately while the heart usually remained with the body; brain tissue could be removed, though methods varied by period and status. These choices belonged to funerary practice, preservation, and theology together.

They do not translate cleanly into 'the brain was waste, the gut was sacred,' or a declaration that a person is not their thoughts. Modern neuroscience answers different questions from mortuary ritual. The honest parallel is not a contest between them: both reveal that locating a person in one body part is harder than it first appears.