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The heart is an amazing muscle in our body. It has four chambers and is connected to the entire body through a system of arteries and veins. Each chamber has a specific part to play. The chamber in the top left is called the left atrium and its function is to recieve oxygen rich blood and empty into the left ventricle. The left ventricle sits right below the left atrium and its function is to pump the oxygen rich blood out into the rest of the body. The oxygen poor blood then comes back to the heart, after circulating the entire body, through way of the right atrium. As the blood moves through the tricuspid valve, the air in which we breath has the oxygen that binds with the blood, and travels to the right ventricle and then to the left ventricle and the process begins again!
