Answer:
The rugae would have stretch and allow the bladder to expand.
Step-by-step explanation:
Rugae different ridges that are formed from the folding of urinary bladder. This rugae allow the expansion of stomach or bladder when we consume food or drinks.
When two you has two cup of coffee and u sit for two hours, the rugae will make the urinary bladder to expand as it is fills because it would of fold.