Due to developmental abnormality, a baby develops a heart which has hole in the septum that divides left and right side of the heart. What will be its effect on the circulation of blood?
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The hole (defect) occurs in the wall (septum) that separates the heart's lower chambers (ventricles) and allows blood to pass from the left to the right side of the heart. The oxygen-rich blood then gets pumped back to the lungs instead of out to the body, causing the heart to work harder.
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