consecration
It is called a dead corpse or body.
The word 'mummy' is generally used for a body which has been preserved over a long period of time. A recently-preserved body is usually referred to as 'embalmed'.
It is called a mummy.
because they did
they do a process called 'mummifacation', they draw the moisture out of the body as much as possible, google it.
The preserved body of a dead person.
Mummy
A specific item will usually be referred to as a 'trophy'. A more general term would be 'taxidermy', which usually refers more to the process by which the pelt, cadaver, or head is preserved.
A preserved dead body is one that has been treated to prevent decomposition. This can be achieved through processes such as embalming, mummification, or cryonics. Preserving a body allows for it to be displayed for viewing or kept intact for scientific or religious purposes.
King Tut's tomb
It is often called a carcass.
Taxidermy is the art of "stuffing" a dead animal for display.