More than half the body's bones are in the hands (and feet). Fingernails grow about 1mm (about .04in) every 10 to 15 days. If you are right-handed, the fingernails on your right hand will grow ...

Certain bones of the hands, feet, arms, and legs also indicate ... In Lucy's species, Australopithecus afarensis, the average adult male weighed near 110 pounds and stood around 4 feet 11 inches ...