The correct answer is D. Store urine before elimination.
Bladder is termed as a hollow muscular organ which is found in some animals and human which stores and collects urine from the kidney before it is being disposed by way of urination.
It is via the ureters is how urine enters the bladder and its exit is urethra.
A normal human can hold a maximum of 500mL before an urge of emptying occurs.