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Skeletal System

Bone Basics

What is the longest bone in the human body?

The femur, or thighbone, is the longest bone in the body. The average femur is 18 inches (45.72 centimeters) long. The longest bone ever recorded was 29.9 inches (75.95 centimeters) long. It was from an 8-foot-tall (2.45 meters) German who died in 1902 in Belgium.



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