Saturday, January 29, 2011

Excretion in Animals

LESSON No. 8
Topic: Excretion in Animals
-         The process of removal of wastes produced in the cells of the living organisms is called excretion.
-         Structure of human excretory system.
-         Function of human excretory system.


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1 comment:

  1. samiksha's nestFebruary 20, 2011 at 3:28 AM

    yes,,and since it was shown using computer students enjoyed learning.....

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