Humerus: Anatomy, Function, and Location - [Your Website Name]

The humerus is the bone of the upper arm that runs from the shoulder to the elbow. It is the longest bone in the arm and the second longest bone in the body, after the femur (thigh bone). The humerus articulates with the scapula (shoulder blade) at the shoulder joint and with the ulna and radius (forearm bones) at the elbow joint.