➤ Why does the left ventricle have a thicker muscular wall than the right?
The left ventricle has a thicker wall because it pumps blood into the high‑pressure systemic circulation. It must generate much greater force than the right ventricle to overcome systemic vascular resistance and deliver blood to all body tissues. A thicker myocardium produces stronger contractions and reduces wall stress during systole, supporting efficient long‑distance circulation.
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