The largest bone in the human body is the femur in the leg, "nearly 20 inches long (50 centimeters) in adults," Glatter told Live Science in an email. "It's commonly referred to as the thigh bone." The femur is not only the longest bone in the body, but also its strongest, capable of supporting as much as 30 times the weight of your body, according to the Cleveland Clinic(opens in new tab). "It helps to support the weight of the skeleton and is critical for stability and walking," Glatter said.

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