Solution – the time gap in the passage of action potential from the sino-atrial node to the ventricle provides ventricles to relax . Because of this ventricular pressure falls and this results in the closure of semilunar valves which prevents the backflow of blood into the ventricles.
27. What is the significance of the time gap in the passage of action potential from the sino-atrial node to the ventricle
27. What is the significance of the time gap in the passage of action potential from the sino-atrial node to the ventricle