1. Circulatory By Samantha.S Thursday, November 22, 2007

2. Parts Heart. Blood. Blood Vessels. Heart Vessels. Veins.

3. Main Purpose. Your heart keeps you alive. Heart pumps blood through the veins.

4. The heart pumps the blood through the body again. Blood travels back into heart. Heart pumps blood. How Does Your Systems Work?

5. The blood keeps the body healthy. The heart needs exercise to stay healthy. Good food and lots of water. Energy they need that lies locked up in the food you eat.Unlocking this energy requires the help of one of your body's largest organ- the liver.This chemical factory processes nutrients so that your body cells can use them.The liver also stores nutrients, recycles old body cells, and breaks down harmful parsons that you might eat or drink. How To keep Your System Healthy

6. What Other Systems Do Your Body Work With-and How? The skeletal system works with the circulatory system. How?The bones in the skeletal system produce blood.

7. Interesting Facts Cartilage helps pump the heart and when the cartilage stops the heart will stop too and it will cause you to have a heart attack. That your veins are 50,000 to 100,000 miles long.

8. Did You Like That?