Which chamber has the thickest myocardium? Why?
Understand the Problem
The question is asking which chamber of the heart has the thickest myocardium and why, specifically pointing out the left ventricle's role in pumping blood to the body.
Answer
Left ventricle, due to pumping blood into systemic circulation.
The left ventricle has the thickest myocardium because it must pump blood with great force into the aorta and through the entire systemic circulation.
Answer for screen readers
The left ventricle has the thickest myocardium because it must pump blood with great force into the aorta and through the entire systemic circulation.
More Information
The left ventricle's thick myocardium is necessary for generating the high pressure needed to supply oxygenated blood throughout the body, unlike the right ventricle, which only needs to pump blood to the lungs.
Tips
A common mistake is confusing the left and right ventricles because both are ventricles but serve different functions and pressures.
Sources
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