How do you spread the inside of your ass?

1. How far can your Buthole spread?
2. What is the inside of your bum called?

How far can your Buthole spread?

It's coated with muscles that the body uses to hold in gas or feces until they are ready to be expelled. Medical web sites will tell you that the rectum is 6-8 inches long and 2.5 inches at its widest point.

What is the inside of your bum called?

The anus is the opening where the gastrointestinal tract ends and exits the body. The anus starts at the bottom of the rectum, the last portion of the colon (large intestine). The anorectal line separates the anus from the rectum.