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49 Cards in this Set

  • Front
  • Back
cranium
skull
maxilla
cheek bone
mandible
jaw bone
clavicle
collar bone
scalpula
shoulder bone
sternum
breast bone
costa
ribs
humerous
upper arm bone
vertebra
back bone
radius
lower arnm bone (thumb)
ulna
lower arm bone (pinkey)
carple
wrist bone
matacarple
hand bone
phalanges
fingers/toes
pelvis
hip bone
femur
upper leg bone
tibia
shin bone
fibula
calf bone
tarsle
ankle bone
meta tarsle
foot bone
skeletal system
all you bones in your body
periosteum
a tight fitted membrane that contain blood vecles that cary nutrients to and from the bone
cartilage
acts as a shock abrosber,makes moving joints eaiser by reducing friction
joint
an intersection where 2 bones come together
ligament
holds the bones in place at joints
immovable
allows little or no movement
hinge joint
back and forth movement
ball and scoket
a rounded edge that fits into a cup-like cavity
gliding
when a bone slides across the other
pivot
when 1 bone rotates around the other bone that doesn't move
muscles work in _________.
pairs
What are the roles of the muscles? What is the special name for what they do?
One contracts, the other relaxes

called antagonisticss
What are the 3 types of muscles and what do they do?
Cardiac- found in heart
involuntary

Smooth- found in organs
involuntary

Skeletal- found attached to bones
voluntary
voluntary
when you have the option/ control to move the muscle
involuntary
when you DO NOT have the option/ control to move the muscle
How do muscles work?
ATP is broken down
results in a release of energy
energy causes muscles to contract
Why do muscles get larger when they ARE EXERCISED?
increase in musscle cell SIZE.
Lever
a simple machine that rotates areound a fixed point
Fulcrum
the poin a lever rotates on
Ligament
_______ to ________
Bone to Bone
Tendon
________ to ________
muscle to bone
(Epi)dermis
outermost layer of skin
cells are mostly dead, which always rub off
Melanin
pigment in the epidermis
protects us from UV ray damage
Dermis
middle layer of skin
STRUCTURES:
sweat pores/glands
hair follicles
hair
blood vecles
nerve endings
Fatty Region/ Hypodermis
innermost layer of skin
where fat is deposoted
hemoglobin
the chemical released when blood cells break (aka brusies)
compact bone
a hard strong layer that gives the bone strength
spongy bone
makes the bone lightweight
marrow cavity
consisted of red and yellow morrow