The Circulatory System – Big Write

The Circulatory system is one of three important systems in you’re body. It’s job is to supply Blood Cells around you’re Body dropping off oxygen and then picking up Co2 (Carbon dioxide)   to take back to the heart. (Did you know that the  Heart is the same size as a clenched fist. The Heart sits in the chest just in front of the lungs. The heart, which beats on average a 100,000