The correct option is D Urethra
<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->
The excretory system of human beings includes a pair of kidneys, a pair of ureters, a urinary bladder and a urethra. The ureter transports urine from the kidney to the urinary bladder, where it is stored. From the bladder, the urine reaches urethra and runs from the body to outside.