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19 Cards in this Set

  • Front
  • Back
fixed joints
prevent movement
found in skull
tough bands of connective tissue that hold the joints in place.
haversian canal
narrow channel that blood vessels run through
spongy bone
beneath compact one is a network of connective tissue

contains blood marrow
tough membrane that covers bone's surface
bone cells
blood marrow
yellow- fills shafts of long bones

red- makes blood cells and platelets
axial skeleton is made up of...
skull, ribs, spine, and sternum
appendicular skeleton is made up of...
limbs, scapula, clavicle, pelvis
*saddle joint
allows movement back and forth and up and down, but does not allow for rotation like a ball and socket

ex: fingers
*pivot joint
allows for rotation around an axis

ex: radius and ulna of forearm
*hinge joint
back and forth movement

- toes
*ball and socket joint
capable of motion around an indefinite number of axes

ex: hip
gliding joints
joint bones slide past each other

ex: midcarpal and midtarsal
actin/ myosin
myosin- protein that thick filaments of muscle fiber are made of

actin- thin filaments
What are myofibrils made of?
two types of protein filaments-- thick ones and thin ones
Which point is an origin attached?
to the stationery bone
Which poit is the insertion attached
to the moving bone
functional unit of muscle contraction