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Circulation Science 7th grade

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Heart
The hollow muscular organ located behind the sternum and between the lungs
Aorta
Largest artery of the body
Right Atrium
Receives blood from the body, the blood is low in oxygen and high in waste produce carbon dioxide
Right Ventricle
pumps oxygen poor blood to the lungs
Left Atrium
The upper left chamber of the heart, where oxygenated blood is received from the pulmonary vein and then sent on to the left ventricle
Left Ventricle
pumps oxygen rich blood to all parts of the body
Septum
Prevents oxygen-rich and oxygen-poor blood from mixing