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Published on 27 Nov 2012 | over 5 years ago

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Biology seems to be the most interesting subject for reading and learning because it is about our body or other living beings. In this video you will learn about an organ system of human body.
Human machine is said to be the most complex machine but sensitive too. There are many organ system to perform particular task in the human body. Excretory system is being an important system as it takes out the waste material from the body.
Excretory system consists many organs in which Kidneys are very important. In this video you will learn all about excretory system of humans.
This chapter is one of the most important chapters of Biology learning. Watch and learn everything with illustration.
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