In the lever system that characterizes the interaction between bones and muscle, the bones act as the ________ whereas the joints form the ________.
A) lever, fulcrums
B) fulcrum, levers
C) lever, pulleys
D) fulcrum, pulleys

Question

Quizplus · Accepted Answer

In the lever system, bones act as levers and joints form the fulcrums. The fulcrum is the point at which the lever rotates, enabling movement. Therefore, bones provide the structure of the lever and joints act as the pivots or fulcrums upon which the movement occurs.

In the Lever System That Characterizes the Interaction Between Bones