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The right and left sides of the heart work together.
Right Side:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium.
Left Side:
The pulmonary vein empties oxygen-rich blood, from the lungs into the left atrium.
..
The right and left sides of the heart work together.
Right Side:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium.
Left Side:
The pulmonary vein empties oxygen-rich blood, from the lungs into the left atrium.
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