Tour Through the Chalk Heart
The flow of the circulatory system and blood flow go through the heart. The blood goes in through the veins into the heart through the superior vena cava, the inferior vena cava or the coronary sinus and then enter the right ventricle, goes through the tricuspid which leads to the right ventricle. From there, the deoxygenated blood runs through the pulmonary valve and into and out of pulmonary arteries and into the lungs. In the lungs, oxygen is put in and carbon dioxide is released. Then the oxygenated blood moves from pulmonary vein to left atrium the through the bicuspid and into the left ventricle where it will make a u-turn and go up the aortic valve where it is the released into the body and the process then starts over.
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