Begin class with a student activity sheet requiring answers about the formation of urine and glomerular filtration.
Using diagrams of the male and female urinary system, outline and discuss the anatomy and physiology which deals with the elimination of urine.
Discuss the structures involved: the ureters, urinary bladder and urethra.
Show how the muscles which comprise the bladder, the internal sphincter and the external sphincter control the flow of urine.
Outline the steps involved in urine elimination from the stretching of the bladder to the opening of the sphincter muscles.
Outline and discuss the chemical and physical appearance of urine: the output, the color, specific gravity, pH, and dissolved constituents. Discuss what effect each has on the normal functioning of the system and the organism.