A difference between the auricle and the ventricle of the mammalian heart is that the?

A. ventricles carry deoxygenated blood
B. ventricles do not have outlets
C. auricles have no valves
D. walls of the ventricles are less muscular then that of the auricles
E. Walls of the ventricles are more muscular than that of the auricles

Correct Answer:

Option E – Walls of the ventricles are more muscular than that of the auricles