1.)
The centrally located bone that joins with the other bones of the skull is called the sphenoid bone.
2.) Two kinds of ossification:
a. intramembranous ossification: skull, mandible, and clavicle flat bones formed
b. endochondral ossification: all other bones in the human body formed
3.)
a.) ball and socket joint, hinge joint, pivot joint, condyloid joint, saddle joint, gliding/plane joint
b.) ball & socket joints in shoulders and hips