Friday, August 21, 2009

System by yu ying

Hi,miss ceolho i am going to tell you more about system.The system are digestive system, respiratory system,skeletal system,circulatory system and muscular system.The digestive system function is:breaks down food into simple forms so that they can be absorbed by the body.circulatory system:carries digested food and oxygen to all parts of the body. respiratory system:Enables the exchange of gases with the surroundings.Muscular system:
muscular system works with the skeletal system to help us move.skeletal system:supports the body,gives the body shape and protect the important organs.

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