This is the presentation about human excretory system.......

1. presented by: Latif Mirani
Class: BS English 1st Semester
presented to: Dr.Waqas Ahmad

2. What is Excretory System?
Excretory System.

3. Excretory System

4. Four Organs of the Excretory System

6. Four Organs of the Excretory System
The Skin, that rids the body of wastes
through sweat glands.

7. Kidneys & Urinary System
Urinary System – excretes waste and maintains homeostasis of
body fluids.
Kidneys (main organ of the system)
Ureters
Bladder
Urethra

8. Kidneys- Functional Units & Product
Kidneys
Two
Fist sized
Bean shaped

9. Kidneys- Functional Units & Product
Nephron (about one million per kidney)
Microscopic functional units of kidneys, that filter blood of
wastes.
H2O and waste taken from blood into nephron
Form URINE
 Urine
 Pale yellow solution
 Urea, H20, salts, other trace solutions (toxins…)

10. Ureters
Urine leaves the kidney through a duct called
ureter.
Narrow muscular tubes
Connect kidney to Bladder

11. Urinary Bladder
Ureters of both the kidney opens into muscular sac
called Urinary Bladder.
Store urine.
Expand to fill.

12. Urethra
The urethra empties near vagina in females and
penis in males.

13. Continue….
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 Presented by:
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