BIO 202
Chapter 17: The Urinary System
SECTION 17.1: THE KIDNEYS ARE THE CORE OF THE URINARY SYSTEM
● The urinary system
○ Excretes aqueous waste
○ Maintains fluid balance
○ Regulates blood composition and volume
○ Helps maintain blood pressure
○ Monitors and maintains red blood cell levels
○ Assists in vitamin D synthesis
○ Monitors and adjusts the ionic composition of the blood
○ Regulates the pH of the blood
○ Maintains blood glucose levels
○ Produces hormones that regulate calcium levels
THE URINARY SYSTEM
● The urinary system consists of four organs
○ A pair of kidneys
○ A pair of ureters
○ The urinary bladder
○ The urethra