Fill in the blanks for each of the following statements:
a. The process by which urine is eliminated is called _____ , and it is mediated by reflexes involving the_____nervous system.
b. The mucosa of the organs of the urinary tract is lined with _____epithelium.
c. The three layers of smooth muscle in the urinary bladder are known as the_____muscle.
d. The female urethra provides a passageway for , whereas the male urethra provides a passageway for_____and_____ .