1. Urinary System

2. What are the organs of the urinary system? Kidneys Ureter Urethra Urinary Bladder

3. What are the organs of the urinary tract? Ureter Urinary bladder Urethra

4. What are the main functions of the Urinary system? Removal of waste Storage of urine Excretion of urine Regulation of blood PH levels Regulation of blood fluid volume levels

5. Where are the kidneys located? The superior pole of the kidney is located around thoracic vertebrae number 12. The inferior pole is located around lumbar vertebrae number 3.

6. Label: Renal cortex, renal medulla, renal pyramids, renal columns, and renal papilla.

7. Label: Minor calyx, major calyx, renal pelvis, ureter

8. What is the main blood supply to the kidneys? Renal arteries

9. What is the vein that drains the kidneys? Renal vein

10. What rhythmic movements of smooth muscle propel urine along the length of the ureter? Peristalsis

11. What organ serves as a reservoir for urine? Urinary bladder

12. Label: Internal urethral sphincter, external urethral sphincter, and urethra

13. How long is the female urethra? 3-5 centimeters

14. How long is the male urethra? 18-20 centimeters long

15. What blood vessel supplies the kidneys with blood? A. Hepatic vein B. Renal Artery C. Renal Vein D. Superior Vena Cava

16. How many muscular sphincter surround the urethra? A. Six B. Two C. One D. None

17. In what part of a kidney do the vessels, nerves, and ureters connect to it? Hilum

18. One kidney is lower then the other which one? Why? Right Kidney The larger size of the right lobe of the liver

19. Where do the ureters enter the bladder? Posterolateral wall

20. How much cardiac output passes through the kidneys? 20-25 %