A) auricles
B) ventricles
C) pinna
D) eyes
Correct Answer: B
Solution :
The papillary muscles attach to the lower portion of the interior wall of the ventricles. They connect to the chordae tendineae, which attach to the tricuspid valve in the rightventricle and the mitral valve in the left ventricle. The contraction of the papillary muscles opens these valves, when the papillary muscles relax, the valves close.
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