Short presentation...

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2. 02Excretory SystemExcretory System
removes waste from the body

3. 03
The URINARY SYSTEM
filters the blood to excrete
materials that are needed by the
body.
Composed of the following: two kidneys, two
ureters, the urinary bladder and the urethra.

4. 04
The human body has two
kidneys.
They remove waste from the
body by filtering the blood
Bean-shaped and measures
about 10 to 11cm long

5. 08
Urine comes out from the bladder and goes
outside the body through the urethra.
Urine is then stored for a short time in the
bladder
a bag like muscular organ

6. 09
They help the body get
rid of unnecessary
carbon dioxide and
water.
which are generated when the body produces
energy from the food that you eat and oxygen that
you inhale.

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These wastes are expelled by the lungs every
time you exhale.
Bloodcarries theses waste materials to the lungs.
When you exhale, the diaphragm relaxes and the
chest cavity contracts, thereby squeezing the lungs
and forcing these waste materials out.

8. 12
Like the kidneys, the liver
filters harmful substances
present in the blood.
These include microorganisms, chemicals and toxic
substances present in our body.

9. 14
When you eat, not all the
foods are completely
digested in the small
intestine.
From the small intestine, the undigested foods move
toward the large intestine where they are charged
into (feces) or stool and are stored temporarily

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After a while, these feces leave the body
through the anus.
Thisprocess is called defecation.

11. 17
The skin has two main
functions;
First, it serves as
protective cover of the
body,
Second, it helps in the
excretion of water and salt.

12. 18
The body has two million to five million sweat
glands.
Each glands gives off water like salts, much like
the kidney do.
It is possible for an adult to lose half a liter of
water each day through the skin

13. 22VIDE
O

14. 23ACTIVI
TY
1. Like the kidneys, the _______ filters
harmful substances present in the blood.
Large
Intestine
Skin
Liver Lungs

15. WRONG!!!!!!
GO BACK

16. CORRECT!!!!!!
NEXT

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ACTIVI
TY
2. The undigested foods move toward the
_______________ where they are charged
into (feces) or stool and are stored temporarily.
Skin
Large
Intestine
liver
Lungs

18. WRONG!!!!!!
GO BACK

19. CORRECT!!!!!!
NEXT

20. ACTIVI
TY
3. ________ helps in the excretion of water and
salt.
Skin
Kidney
Large
Intestine
Lungs

21. WRONG!!!!!!
GO BACK

22. WINTERTemplate
CORRECT!!!!!!
NEXT

23. ACTIVI
TY
4. These unnecessary carbon dioxide and water are
expelled by the _______every time you exhale.
Kidney
Lungs Liver
Large
Intestine

24. WRONG!!!!!!
GO BACK

25. CORRECT!!!!!!
NEXT

26. ACTIVI
TY
5. ________ is bean-shaped and measures about
10 to 11cm long.
Lungs
Liver Skin
Kidney

27. WINTERTemplate
WRONG!!!!!!
GO BACK

28. CORRECT!!!!!!
NEXT

29. REFERE
NCES
Books
Sing, L. B., Quintana, J. R., Dela Cruz, C. S.,
Dotimas, C. S. (2009). Elementary Science Explorer.
Philippines: JFC Publishing House Inc.
Murray, A. V. (2007). High School Studies for Self
Study. Columbia: Academy Successful Achievement.

30. REFERE
NCES
Coronel. C. C., Rimanelo. M. C., Abragacia Ed. d, N. M.
(1999). Science and Health 5. Quezon City: SD
Publications,Inc.
Internet
http://www.newhealthguide.org/Excretory-System-Orga
l
http://textanim.com/

31. WINTERTemplatehttp://www.kidsbiology.com/human_biology/ex
cretory-system.php
https://www.youtube.com/watch?v=TZMJeZL-
BVg
http://www.presentationmagazine.com/coloured-
slides-template-background-467.htm
REFERE
NCES

32. https://www.google.com.ph/imghp?
hl=en&tab=wi&ei=xxQjVKuCCdTd8AX2xoCAAg&ved
=0CAQQqi4oAg
 http://www.picgifs.com/graphics/3d-
smileys/&p=4/
REFERE
NCES

33. Prepared by: Patricia Anne D. Dizon