orifice
Flesh, figure, and anatomical frame can substitute for human body. If you are talking about a dead human body, you can use the word corpse.
Another word for a hole in the ground is a pit or a cavity.
It is referred to medically as the anus. That explains it completely and there is no need to add another word like 'hole' to it. If you want to add another word, most appropriate would be anal opening.
Another word of integumentary is covering or hiding.
hole
hole
hole
ace
The word coccygeal is another name for the tailbone in a human's body. It is the last of the vertebral columns in the back.
Another word for human dignity is respect.
Hole, dental carie.