2. By. Grant, Alex, and Leevon

3. o Hearts pumps the blood to arteries and veins and they transport it. o Oxygen reaches the left side of the heart and enters the biggest artery called the aorta.

4.  Blood moves food through your body.  Blood is keeping you alive by bringing you oxygen to your body.

5. o White blood cells are like soldiers protecting your body. o Arteries are vessels that carry blood back to the heart.

6.  The heart is the size of your fist.  The blood moves down and back by veins.  It takes one minute for all the blood to go down and up.  Vains carry waist prodecs. http://www.neok12.com/php/watch.php?v=zX5d7d0e41705968036a4351&t=Circulatory-System

7. http://science.pppst.com/humanbody.html