Simplify the following text for a Grade 8 native English-speaking person.
Original: The procedure of deferentectomy , also known as a vasectomy , is a method of contraception in which the vasa deferentia are permanently cut , though in some cases it can be reversed .
Simplified: There is a surgery called vasectomy that is a method of contraception . The two vasa deferentia ( Latin plural ) are cut and sealed , so the sperm can not get out of the body .