Biology
Answer
The inter-auricular septum and inter-ventricular septum present between the auricles and ventricles and the valves present in the heart prevent mixing of blood between auricles and ventricles.
Septum separates the heart into the left and right sides. The valves work like a door that open only in one direction and regulate the blood flow from auricles to ventricles and various parts of the body. Bicuspid valves are present between the left auricle and left ventricle. Similarly, tricuspid valves are present between right auricle and right ventricle.
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