WAEC - Biology (1998 - No. 12)
A difference between the auricle and the ventricle of the mammalian heart is that the
ventricles carry deoxygenated blood
ventricles do not have outlets
auricles have no valves
walls of the ventricles are lese muscular then that of the auricles
Walls of the ventricles are more muscular than that of the auricles