Skeletal System

Functions

They support and protect the body; body movements: muscles “pull” on bones. Blood Cell Formation is Hematopoiesis which occurs in red bone marrow. Also have a storage of inorganic materials; calcium, magnesium, sodium, and potassium.

Organization

The skeletal system has 206 bones with 2 main divisions: appendicular and axial.

• axial: trunk, neck, head; skull, hyoid bone, vertebral column, ribcage, sternum

• appendicular: bones and limbs connecting limbs to: pectoral girdle; scapula & clavicle, upper limbs (arms); pelvic girdle; coxal bones, lower limbs (legs)