The fact that the left ventricular wall is thicker than the right reveals that ita. pumps a greater volume of blood,b. pumps blood against greater resistance, c. expands the thoracic cage, d. pumps blood through a smaller valve.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

b. The heart consists of two superior ventricles and two inferior atria.

A birth defect called transposition of great vessels results in the pulmonary trunk emanating from the left ventricle and the aorta stemming from the right ventricle.

a. Which ventricle is thicker-walled, and why?