1. EXCRETORY SYSTEM Ary Gunawan www.unitedscience.wordpress.com
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2. Excretory System
Metabolic processes give rise to chemical products which are of no use to the body.
In fact, some of them may prove detrimental to health, and accumulation of these waste products can even be fatal.
Hence waste products are removed from the body by the process of excretion.

3. Excretory System To remove metabolic wastes from the blood
To control the volume of blood by expelling the exceeding water produced by the body cells.
To maintain the balance of certain salts  osmoregulatory
The Organs of Excretory System
Kidneys  urine
Skin  sweat
Lungs  carbondioxide and water vapour
Liver  gall liquid

4. Kidneys

6. Nefron

8. Proximal convulted tubule Distal convulted tubule
Blood
Glomeroulus
Filtration
Primary Urine
Proximal convulted tubule
Reabsorbtion
Secondary
Urine
Distal convulted tubule
Secretion/
Augmentation
Real Urine
Visualization

9. Factors that influence the produce of urine
1. ADH Hormone
2. Diuretic substance
3. Temperature
4. Volume of solutions
5. Emotion

10. Quiz 1 2 4 3 6 5

11. Quiz 14 8 9 10 13 11 12

12. Quiz
15. Fitration process take place in….
glomerulus

13. Proximal convulted tubule
Quiz
16. Reabsorbtion process take place in….
Proximal convulted tubule