Question

During cardiac cycle about _____% of ventricular filling occurs prior to atrial contraction.
____% ventricular filling occurs due to atrial
contraction.​

Answer 1

Answer:

Finally, near the end of ventricular diastole, the atrial contraction contributes about 10% of the ventricular filling volume. This is represented by the P wave on the EKG of the following cycle

Explanation:

i think the answer is useful and correct.