Please answer the following questions using complete sentences.  Please write
these complete sentences on your own paper.  The answers to these questions will
be found in the older Hallman AMSCO textbook.

1.  Draw a diagram of the human urinary system.  Label the kidneys, ureters,
     urinary bladder, and urethra.  (Fig 13-6 p. 269)
2.  What do the ureters do?  (p. 270)
3.  What is the function of the urinary bladder?  (p. 270)
4.  What is the function of the urethra?  (p. 270)
5.  What are nephrons?  How many of these microscopic structures are found in each
      kidney?  (p. 270)
6.  The kidney nephrons filter our blood and engage in the reabsorption of materials
     from the filtrate.   Why is reabsorption important?  (p. 271)
7. What are the two main layers of the skin and where are they located in the skin?
    (p. 274)
8. Why are sweat glands considered to be excretory structures?  (p. 275)
9. What is the chief function of sweat glands? (p. 275)
10-14.  List 5 major functions of the liver.  (pp. 276-277)
15.  What is nephritis and what usually causes this?  (p. 277)
16.  What causes gout?  What is a symptom of this disorder? (p. 277)
17.  What is a common cause of cirrhosis of the liver?  (p. 277)