Question

The atrioventricular (AV) heart valves open and close ________. The atrioventricular (AV) heart valves open and close ________. passively, depending on the pressure of the blood in the atria and ventricles entirely differently from the mechanism used to operate the semilunar valves. as papillary muscles and chordae tentinae pull them as the circular muscles surrounding them operate.

Answer 1

Answer: the atrioventricular heart valve open and closed imcubent on different blood pressure on both sides.