Select the correct answer. Which parts of the body act as levers? A. muscles B. joints C. bones D. veins

C. Bones

Explanation:

Muscles and bones act together to form levers. Levers can be used so that a small force can move a much bigger force. This is called mechanical advantage. In our bodies bones act as lever arms, joints act as pivots, and muscles provide the effort forces to move loads.

answer; i believe the correct answer is (secondary prevention);

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