Tuesday, May 18, 2010
Wednesday, May 5, 2010
The circulatory system is an transport system because it delivers important materials through
your body. Blood carry's the materials,which circulates through your blood vessels. It removes
wastes from your body.
The respiratory system is suppose to take in oxygen and it gets carbon dioxide waste out your body.
The digestive system when you eat the food cannot be used by the body until it is broken down and digested.
The excretory the kidneys and bladder are major of the excretory system. This system takes certain wastes from the blood and removes it from the body as urine. This is important to keep
the right amount of water in your body, and it keeps wastes from building up in your body.
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