Which of the following layers of the urinary bladder have several folds that allow for expansion?

When the bladder is empty, the mucosa has numerous folds called rugae. The rugae and transitional epithelium allow the bladder to expand as it fills. The second layer in the walls is the submucosa, which supports the mucous membrane. It is composed of connective tissue with elastic fibers.

Explanation:

there are men and women, some choose to be both or change their gender. often times those people go by "other". those who change their gender are known as "transgender"