Skeletal System Flashcards
two divisions of the skeletal system
the axial and appendicular skeleton
how many bones are in the axial skeleton
80
what are the 4 types of vertebrae
cervical, thoracic, lumbar, sacral
bones in the appendicular skeleton
126
what are the types of joints
hinge, ball and socket, pivot, ellipsoid, gliding and saddle
explain origin and insertion
the origin is the immobile, while the insertion is the part that moves
what bone marrow do adults ave
1/2 red, 1/2 yellow
function of yellow bone marrow
to sotr fat
5 functions of the skeletal system
movement, mineral storage, support, protection and blood cell formation
what is the disphysis
compact bone surrounding the marrow cavity
epiphyses
spongy bone containing red marrow