Multiple choice Which one of the following is not a leg bone of the human body? Femur Tibia Fibula Radius Reveal answer Fill a bubble to check yourself D Correct answer Explanation The radius is a forearm bone connecting the elbow to the wrist, while femur, tibia, and fibula are all leg bones. The question specifically asks which is NOT a leg bone, making radius the correct answer as it belongs to the upper limb.