A.The purpose of hair around the anus is to protect that part of the body, in much the same way as pubic hair. It also shows sexual maturity.
Q.Do u have bones in u bum?
A.The human tailbone is called the coccyx. It extends from the base of the spine. This is the only possible bum bone. It can be broken by a heavy fall.
Q.What is the medical name for your bum crack?
A.The natal cleft is the sulcus (a medical term for groove or furrow) between the buttocks. Basically, it is the space between your bum cheeks.