1. 6.11 The Urinary System The Urinary System
The Kidneys and their Functions
Other Urinary Organs

2. The Kidneys and their Functions
6.11
The Urinary System
The Kidneys and their Functions
Also called the renal system or excretory system.
Maintains the proper amount of water in the body.
Removes waste products from the blood by excreting them in the urine.
Consists of the kidneys, ureters, urinary bladder, and urethra.

3. The Kidneys and their Functions (cont.)
6.11
The Urinary System
The Kidneys and their Functions (cont.)

4. 6.11 The Urinary System Other Urinary Organs
Kidneys – form urine for excretion.
Ureters – transport urine from the renal pelvis to the urinary bladder.
Urinary bladder – hollow, muscular organ that stores urine until excreted.
Urethra – smooth muscle tube for voiding, or micturition.

5. 6.11
The Urinary System
Nephron

6. 6.11
The Urinary System
Nephron

7. 6.11
The Urinary System
What is the purpose of the urinary bladder?

8. 6.11 What is the purpose of the urinary bladder?
The Urinary System
What is the purpose of the urinary bladder?
The urinary bladder stores urine until it is excreted from the body.