Urethra is an opening that allows the urine to discharge from the Urinary Bladder. It is due to the existence of Urethra tube that we pass out Urine from our body. Urethra is a tube that connects the Bladder to the Genitals and Genitals discharge the Urine.The transport tube leading from the bladder to discharge urine outside the body. In males, the urethra travels through the penis, and carries semen...