1. The largest bone in the human body is the femur (thigh bone). It is not only the largest and strongest bone but also bears much of the body's weight. 2. 'Long bones' refer to hard bones that provide structure and mobility, such as the femur. 3. 'Broken' and 'fractured' are synonymous, meaning the bone is broken. 4. Forensic experts can determine age, gender, and certain causes of death from skeletons. 5. Babies are born with about 300 bones, which fuse into 206 bones in adults. 6. In people over 65, hip fractures most often lead to death. 7. The most common site of bone breaks seen in hospital emergency rooms is the wrist, hand, and fingers. 8. Nutrients necessary for healthy bones include calcium, vitamin D, zinc, magnesium, and protein. 9. Lifestyle habits affecting bone health include smoking, exercise, and excessive alcohol consumption. 10. Osteopenia is low bone mass that isn't low enough to be osteoporosis.