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प्रश्न
Why is the heart divided into two halves by a thick muscular wall?
एक पंक्ति में उत्तर
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उत्तर
The oxygenated and deoxygenated blood are separately circulated. So the heart is divided into two halves by a thick muscular wall.
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संबंधित प्रश्न
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lsecsum ................
