Ventricular contraction normally begins at the apex (bottom of the heart). What would likely happen if ventricular contraction originated at the intersection of the atria and the ventricles instead?
A) Blood would be pumped through the semilunar valves.
B) Blood would be pumped into the pulmonary artery and aorta.
C) Blood would be pumped back into the atria.
D) Blood would be pumped down to the apex of the heart.
Answer: D
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