The apostle Paul here quotes from Psalm 40: 6 - 8 according to the Greek Septuagint translation, which includes the words “you prepared a body for me. ”
فَهذِهِ ٱلْعِبَارَةُ لَا تَرِدُ فِي مَخْطُوطَاتِ ٱلْأَسْفَارِ ٱلْعِبْرَانِيَّةِ ٱلْقَدِيمَةِ ٱلَّتِي فِي مُتَنَاوَلِنَا .‏