Bioscience:The Human Body: How It Works
In order to function normally， human body has to meet three demands: regular nutrition supply， processing of nutrients taken in， and constant supply of oxygen. Getting rid of the waste is essential， too. We have a series of systems in our bodies to perform these tasks. They are coordinative and highly effective. In this video program， we'll know how different parts of the body function effectively.
- Added：2006
- Country：Australia
- Duration：18
- Time of update：2011/8/17 17:10:39