Human Skeleton is an upright frame- gives
human body it's characteristic shape.
Arranged to provide means of
support- body and its component
parts.
Protection
Bones form protective containers for internal organs.
E.g. *Flat bones of skull surround and protect the
brain. * Bones of thorax protect the heart and lungs.
*Pelvic Girdle protects the reproductive organs.
Movement
Muscles attach to bones, enabling them to act as levers.