1. The Immune and Urinary System
Whit Wiman and Marissa McDaniel

2. The Urinary Bladder It is a reservoir for urine
Holds more than a pint of fluid
Lies behind the pubic bone
Protected by the pelvis
Bladder wall made up of muscle and an inner lining
Collects and stores urine until can be expelled from the body
Connected to the two ureters that carry urine to it
Bladder is five inches long and three inches wide

3. Urinary Bladder Pictures

4. The Kidneys
One quarter of blood output by the heart is sent to the kidneys to be purified
There are two kidneys
Receives one-hundred and twenty pints of blood per hour
Are the “balancers of internal fluids”
Levels out the body fluids
You need to drink lots of water to keep kidneys in good shape
Connected to and gives urine to the ureters.
Eleven to fourteen inches long

5. Kidney Pictures

6. The Ureters There are two ureters
Carries urine from the kidneys to the bladder
Ten to twelve inches long
Urine flows down by gravity and contractions that pass through muscle layers of the ureters
Each ureter enters the bladder through a tunnel in it

7. Ureter Pictures

8. The Urethra
Tube that conveys urine from the urinary bladder to the outside of the body
Wall is lined with mucous membranes
Contains a thick layer of smooth muscle tissue
Contains several mucous glands, called urethral glands that secrete mucus into the urethral canal
Four centimeters long
Opening is located above the vaginal opening and about two and a half centimeters below the clitorus

9. Urethra Pictures

10. Sources
Urinary Systems. Inner Body. [accessed August 20]. Retrieved from ml