  Sexual reproduction in fungi usually involves two different mating types. Because gametes of both mating types are about the same size, they are not called male and fema â¦ le.Rather, one mating type is called + (plus) and the other â (minus).ecause gametes of both mating types are about the same size, they are not called male and fema â¦ le. Rather, one mating type is called + (plus) and the other â (minus).
Defecation is normally assisted by taking a deep breath and trying to expel this air against a closed glottis (Valsalva maneuver). This contraction of expiratory chest muscles, diaphragm, abdominal wall muscles, and pelvic diaphragm exerts pressure on the digestive tract.
4. rectum. The area of the lower bowel where feces is stored by the body prior to defacation. It lies two inches back from the anal canal and is the source of sexual pleasure for many people. anal sex, dildo and other sex toys are inserted into the rectum to provide sexual stimulation and pleasure. Fisting is an activity where a human fist is inserted into the rectum. Enema is another form of rectum stimulation.