Why is the myocardium of the left ventricle thicker than the myocardium of the right ventricle. Web Why is the left ventricle bigger than the right. Why Is The Wall Of Left Ventricle Thicker Than The Wall Of Right Ventricle Quora Web The left ventricle of your heart is larger and thicker than the right ventricle. . This is because it has to pump the blood further around the body and against Trending. Web The left ventricle is thicker than the right ventricle because the left ventricle pumps oxygenated blood around the entire body while the right ventricle only pumps blood to the lungs which is a much shorter distance. Web The left ventricle of your heart is larger and thicker than the right ventricle. This blood is pumped down to the ventricles which are larger pumping chambers which must propel blood out of the heart therefore they contain more muscle tissue than the atria do. There has to be more muscle in the left ventr