The document describes the main bones that make up the human skeleton. It provides information on 14 different bones or bone groups, including the skull, clavicle, ribcage, spine, hands, feet, tibia and fibula, femur, radius and ulna, pelvis, humerus, scapula, and patella. For each bone or bone group, it gives a brief 1-2 sentence description of its location, function, and/or composition. The document concludes by asking the reader to guess how many bones are in the human body, with the answer being 206 bones.