Skeletal System
3 functions of the skeletal system
stores inorganic materials, support and protection, blood cell production
Inside the diaphysis of the bone is this hollowed out cavity which contains yellow marrow
medullary cavity
Light porous bone
Spongy (or cancellous) bone
scientific name for the jaw
mandible
breastbone -- middle of your chest
sternum
A mature bone cell
Osteocyte
Outer membrane of the bone
periosteum
vertebrae in our mid back
Thoracic (T1-T1)
Canals that run longitudinally in compact bone containing blood vessels + nerve
Haversian canals
vertebrae in our neck
cervical (C1-C7)
Ribs that don't connect to any other ribs are called _________ ribs.
floating
Red bone marrow produces what
blood cells
photo
foramen magnum
longest arm bone, which is at the top of the arm.
humerus
Solid hard bone that makes up the outer layer of all bones and the shafts of long bones
Compact bone
Bones in the palm of the hand
metacarpals
Bones in the foot
metatarsals
a rib that does not attach directly to the sternum but rather to a superior bone's costal cartilage
(ribs 8-10)
false rib
Ankle bones are called _____________.
tarsals
photo
talus
Cells responsible for building bone
Osteoblast
Cells that break down (resorb) bone
Osteoclasts
What the first section of the spine (in the neck) is called.
cervical
Heel bone
Calcaneus
The ___________ skeleton is the bones of the limbs and their supporting structures
appendicular skeleton