The left ventricle in humans is more muscular than the right ventricle because
A) resistance is higher in the systemic circuit.
B) resistance is higher in the pulmonary circuit.
C) the left ventricle pumps more total blood.
D) the left ventricle pumps more viscous blood.
E) the lymphatic system empties into the left ventricle.

Question

Quizplus · Accepted Answer

The left ventricle pumps blood through the systemic circuit, which has a higher resistance compared to the pulmonary circuit serviced by the right ventricle. This requires the left ventricle to generate more pressure, necessitating a more muscular structure.

The Left Ventricle in Humans Is More Muscular Than the Right