Question

part that divides heart into right and left halves that prevents mixing of oxygenated and deoxygenated blood

Answer 1

septum is the part of the heart that avoids the mixing of the oxygenated and the deoxygenated blood

Answer 2

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The part that divides heart into right and left halves that prevents mixing of oxygenated and deoxygenated blood is called 'septum'.