superior vena cava, inferior vena cava, heart, blood vessel, arteries, capillaries, veins, left atrium, left ventricle, platelets, hemoglobin, tricuspid , bicuspid, venules, circulatory, pulmonary, aorta, diastole, systole, atrioventricular,

Heart Function

लीडरबोर्ड

दृश्य शैली

विकल्प

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