circulatory system
Posted on April 1st, 2015 by 044041
Your circulatory system keeps you alive. Your heart is a part of your circulatory system and it pumps your blood to keep your blood flowing.First the heart squeezes your blood together then releases your blood. Your heart beats 40 million times a year. It is one strong muscle.Then your artery takes blood away from your heart. One that’s done your veins take blood back to your heart. The Red blood cells are responsible for taking oxygen and carbon dioxide. they pick up oxygen in the lungs and takes it all to the body.
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