Urinary System

16.0 URINARY SYSTEM

Introduction  The kidneys clean the blood and make urine. They also regulate the water and salt content in the body.

 Urine is made in the kidneys and passes into the bladder via the ureters.

 The urine travels from the bladder to the outside of the body via the urethra.

 The urethra in females is large and empties into the vagina.

 The urethra in males is small and easily blocked. It is located within the penis. See page 247.