"1. what anatomical differences exist between male and female urinary tracts that may result in the higher incidence of utis in females? "

Anatomically, women have a shorter urethra compared to men. Therefore, bacteria that cause Urethral Track Infections (UTIs) have less distance to travel to the bladder (from the outside) than in men. Women are consequently prone to acquiring cystitis (when exposed during sexual intercourse with infected partner) when compared to men.

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.