Multiple Choice
Torsion
A) involves movement of the shell independent of visceral movements.
B) rotates the shell between 90 and 180 degrees.
C) begins with the contraction of an asymmetrical foot retractor muscle.
D) shifts the anus from posterior to the right side of the body.
E) All of the choices are correct
Correct Answer:

Verified
Correct Answer:
Verified
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