skeletal test Flashcards
the functions of bones
provides shape and support protection of the organs storing minerals and fats producing blood cells and platelets assisting with movements
bone tissue is composed of
inorganic salts (calcium), bone cells, blood vessels, nerves, collagen
bone tissue needs
food and oxygen
bone tissue continue to..
grow throughout life, replacing damaged bone
components of bone
osteoblasts (build up bone) osteoclasts (clean up the bone) cartilage aponeurosis dense (compact bone) spongy (cancellous bone)
axial skeleton
80 bones, includes head, ribs, spine
appendicular skeleton
126 bones includes arms, legs, hips
long bone
femur, humerus, tibia, fibula, finger/toes
short bones
small cube-shaped bones: carpals, tarsals and roes
flat bone
scapula, pelvis, skull, ribs
irregular bones
ear, vertebrae, bones of face
sesamoid
(floating bone) patella, bottom of foot, hand
in the skull the cranium has ___ bones
8
the face has ___ bones
14
the mandible is…
the only movable bone in the skull
teeth
crown root enamel cementum dentil pulp
how many teeth are in an adult
32
ribs include
true ribs: first 7
false ribs: lower 5
intercostal space: contains muscles, blood vessels, nerves
thorax includes
ribs
sternum
vertebral bones
vertebral bones
26 bones
vertebra bones
24 bones
articulations
synarthrosis
amphiarthosis
diathrosis