There are valves between the atria and ventricles that prevent the backflow of blood. Due to the presence of this valve, blood can only flow from________
A. Ventricular flow to atrium
B. veins flow to arteries
C. atrium to ventricle
D. Atrial flow to veins
Answer:C
There are valves between the atria and ventricles that prevent the backflow of blood. Due to the presence of this valve, blood can only flow from________
A. Ventricular flow to atrium B. veins flow to arteries C. atrium to ventricle D. Atrial flow to veins