The scrotum is a temperature control system of the testicles. The scrotum is supposed to be a few degrees colder than the body. It works by contracting the muscle to bring the testicles closer to the body to warm them. If the scrotum becomes too hot, the muscle relaxes and allows the testicles to descend to cool the temperature. The prostate is a gland that constricts the urethra in two places. When a man uses the toilet to urinate, the prostate constricts the urethra through the spermatic cord. In doing so, the bladder is able to remove urine from the body. During sexual intercourse, the prostate constricts the urethra from the bladder, allowing sperm to travel through the urethra safely through the penis. The penis consists of the root, shaft and glands. The root is the part that connects to the wall of the abdomen (NA, 2014, Para. 2). The shaft is the cylindrical end protruding from the abdomen and connecting to the head or glands. The glands are also known as the head of the penis and are made up of nerve endings. The penis also consists of a layer of loose skin called the foreskin which provides additional protection to the glans. The foreskin may be removed as a precaution to limit the spread of cancer, and is called