Did you know your body is always circulating blood to get rid of harmful materials in your body? Our class is studying human body systems. I am doing the circulatory system. I chose this because I like to figure out how the body works. The circulatory system is the system of the body that circulates blood and get oxygen to the cells. The main parts of the system are the heart, vessels, and blood. The heart is the pump which pushes the blood around. The vessels are the pipes of the body. There are three kinds of vessels: arteries, veins, and capillaries. The arteries carry blood away from the heart, and blood flows back to the heart through the veins. Capillaries connect arteries to veins. The blood is the liquid which carries the nutrients to the cells. A fun fact about the circulatory system is the femoral artery, which is located in the thigh, is one of the biggest arteries in the body.
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