How many bones?
How long do the bones develop for?
Functions of skeleton
protects internal organs,
produces red blood cells,
provides places for muscle attachment,
stores various minerals and salts,
Divisions of skeleton
Appendicular (upper and lower extremities, shoulder and pelvic girdle)
Axial (skull, sternum, ribs, and vertebral column)
Two types of bone
compact (solid and extremely strong, holes and channels for nerve)
cancellous (soft, spongy inside and contains marrow)