A.The opening of right precaval into right auricle
B.The opening of left precaval into right auricle
C.The opening of postcaval into right auricle
D.None of these
A.The opening of right precaval into right auricle
B.The opening of left precaval into right auricle
C.The opening of postcaval into right auricle
D.None of these