A.Making functioning of valve more effective
B.Checking relaxation of ventricular walls during contraction of auricles
C.Protecting eversion of atrioventricular valve towards auricles by pressure of blood in ventricles
D.None of these functions
A.Making functioning of valve more effective
B.Checking relaxation of ventricular walls during contraction of auricles
C.Protecting eversion of atrioventricular valve towards auricles by pressure of blood in ventricles
D.None of these functions