The
Urinary
(Excretory)
System
Make a list of some items your family
discards as trash. What would happen if
no one ever removed this trash from
their home?
• What is the
function of
the urinary
(excretory)
system?
Functions of the Urinary
System:
• Filters wastes, toxins, and
excess water out of the blood
Organs of the Urinary System:
• Kidneys - there are 2; they
produce urine which is made up
of urea, excess water, and other
waste materials
• Ureters - Tubes which carry
urine from each kidney to the
urinary bladder
• Urinary Bladder - A saclike
muscular organ which stores
urine until it is released from the
body
• Urethra - Tube through which
urine passes before it is
removed from the body.