If we compare a vertebrate jaw and knee joints as lever systems,
A) the jaw joint can apply greater compressional forces than the knee joint can.
B) their ratios of power arm to load arm are about the same.
C) the knee joint has greater rotational abilities than the jaw does.
D) the knee joint has a greater ratio of power arm to load arm than the jaw does.
E) only the jaw is a hinged joint.
Correct Answer:
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