Because it shows the pull.
hope that helps i’m bad at explaining things
Alleles. Alleles are the "same" genes, but provide a variation of the intended function.
Answer: Decrease
It will decrees because required volume of blood will not be emptied into the pulmonary circulation to reach the lung for oxygenation. Rather blood flows back into the Right atrium ,(regurgitation,) through the these valves during ventricular contraction ( systole)of the Right Ventricle instead to the pulmonary circulation which reduces blood flow leading to volume overload in the heart. Eventually this affects systemic circulation,
Explanation:
I'm pretty sure the answer is B