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49 Cards in this Set
- Front
- Back
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cranium
|
skull
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maxilla
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cheek bone
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mandible
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jaw bone
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clavicle
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collar bone
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scalpula
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shoulder bone
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sternum
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breast bone
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costa
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ribs
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humerous
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upper arm bone
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vertebra
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back bone
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radius
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lower arnm bone (thumb)
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ulna
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lower arm bone (pinkey)
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carple
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wrist bone
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matacarple
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hand bone
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phalanges
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fingers/toes
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pelvis
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hip bone
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femur
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upper leg bone
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tibia
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shin bone
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fibula
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calf bone
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tarsle
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ankle bone
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meta tarsle
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foot bone
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skeletal system
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all you bones in your body
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periosteum
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a tight fitted membrane that contain blood vecles that cary nutrients to and from the bone
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cartilage
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acts as a shock abrosber,makes moving joints eaiser by reducing friction
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joint
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an intersection where 2 bones come together
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ligament
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holds the bones in place at joints
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immovable
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allows little or no movement
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hinge joint
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back and forth movement
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ball and scoket
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a rounded edge that fits into a cup-like cavity
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gliding
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when a bone slides across the other
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pivot
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when 1 bone rotates around the other bone that doesn't move
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muscles work in _________.
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pairs
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What are the roles of the muscles? What is the special name for what they do?
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One contracts, the other relaxes
called antagonisticss |
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What are the 3 types of muscles and what do they do?
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Cardiac- found in heart
involuntary Smooth- found in organs involuntary Skeletal- found attached to bones voluntary |
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voluntary
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when you have the option/ control to move the muscle
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involuntary
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when you DO NOT have the option/ control to move the muscle
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How do muscles work?
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ATP is broken down
results in a release of energy energy causes muscles to contract |
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Why do muscles get larger when they ARE EXERCISED?
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increase in musscle cell SIZE.
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Lever
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a simple machine that rotates areound a fixed point
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Fulcrum
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the poin a lever rotates on
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Ligament
_______ to ________ |
Bone to Bone
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Tendon
________ to ________ |
muscle to bone
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(Epi)dermis
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outermost layer of skin
cells are mostly dead, which always rub off |
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Melanin
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pigment in the epidermis
protects us from UV ray damage |
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Dermis
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middle layer of skin
STRUCTURES: sweat pores/glands hair follicles hair blood vecles nerve endings |
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Fatty Region/ Hypodermis
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innermost layer of skin
where fat is deposoted |
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hemoglobin
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the chemical released when blood cells break (aka brusies)
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compact bone
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a hard strong layer that gives the bone strength
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spongy bone
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makes the bone lightweight
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marrow cavity
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consisted of red and yellow morrow
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