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41 Cards in this Set
- Front
- Back
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function of cartilage? |
reduces friction between joints and bones |
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function of tendons? |
connective tissues that attach muscles to bone |
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function of ligaments? |
connective tissues that hold 2 bones or cartilages together |
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two functions of fat? |
absorbs shock, insulates heat, use as energy source |
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5 functions of the skeleton |
Support, Protection, Allows movement, storage of minerals, production of blood cells |
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what is Support |
provide body shape, Support weight of muscles and internal |
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what is Protection? |
protect organs, e.g. skull-brain & eyes, Vertebral-spinal cord |
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what is Allow Movement |
muscle attach to bone & joints allow movement to occur |
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what is Storage of Minerals |
body requires minerals, bone releases into blood |
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what is Production of Blood cells? |
large bone contain red marrow |
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what do Osteoblasts do? |
cells that form bone |
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what do Osteoclasts do? |
Bone cells that break down old bone |
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what are Osteocytes |
mature Osteoblasts that can no longer form bone |
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what is this? |
long bone |
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Name 3 classified joints |
Fixed/ Fibrous Slightly moveable/ Cartilaginous Freely moveable/ Synovial |
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Name the types of Freely moveable joints |
Hinge Saddle joint Ball & Socket Gliding Pivot Condyloid |
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what joint is this? |
Ball & Socket |
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what joint is this? |
Hinge Joint |
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what joint is this? |
pivot joint |
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what joint is this? |
Gliding joint |
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what joint is this? |
saddle joint |
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what joint is this? |
Condyloid joint |
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what is the difference between Compact bone and Spongey bone? |
Compact- dense & heavy, strength Spongey- light but strong, gaps filled with bone marrow |
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what is Osteoporosis? |
a bone disease that occurs when the body loses too much bone, makes too little bones, or both |
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what is Osteoarthritis? |
a form of arthritis that occurs when flexible tissue at the ends of bone wear down |
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cause of Osteoarthritis? |
Trauma of sport injury, Torn Cartilage, Dislocated joints |
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cause of Osteoporosis? |
Hyperparathyroidism can cause it, the excess hormone extracts calcium from your bones |
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Symptoms of Osteoarthritis? |
pain, tenderness, loss of flexibility, bone spurs |
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Symptoms of Osteoporosis? |
can have no symptoms, bone fracture, loss of height |
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Treatment of Osteoarthritis? |
Ibprophen (nurofen), Naproxen Sodium |
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Treatment of Osteoporosis? |
Bisphosphonates, Denosumab, Hormone replacement therapy |
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Name the muscle types |
Skeletal Cardiac Smooth |
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describe Skeletal muscles |
voluntary, striated, is the muscles attached to the bone |
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describe Cardiac Muscles |
involuntary, striated, only in the heart |
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describe Smooth muscles |
involuntary, not striated, in the eternal organs |
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what is an agonist? |
a muscle thay causes the desired action |
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what is an antagonist? |
a muscle that has an effect opposite to the agonist |
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what is an extensor? |
a muscle thay straightens the body part when it contracts |
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what is a flexor? |
a muscle that bends the body part when it contracts |
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what does origin mean? |
the end of the muscle fixed to the stationary bone |
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what does insertion mean? |
attachment of the other end of the muscle to the moveable bone. |
