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41 Cards in this Set
- Front
- Back
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What anchors muscles to bones
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Tendons
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Epiphyseal plate
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Growth plate between diaphysis and epiphyses
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Osteoporosis
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Excessive loss of calcified matrix and collagenous fibers from bone
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2 main parts of skeleton
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Axial and appendicular
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Bones in Axial skeleton
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Skull, cranium, ear bones, facial bones, spine, thorax, hyoid bone
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Bones in Appendicular skeleton
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Upper and lower extremities
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3 kinds joints and what they mean
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Synarthroses-no movement
Ampiarthroses-slight movement Diarthroses-free movement |
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Synovial membrane
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Secretes lubricating fluid that allows easier movement with less friction
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what is the Olecranon process
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Funny bone
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3 types of muscle tissue
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Skeletal, cardiac, smooth
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Approx how many muscles
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600
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3 functions of skeletal muscles
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Movement
Posture Heat production |
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Origin
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Stable part of skeleton where a muscle starts
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Insertion
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Movable part of skeleton where a muscle attaches do
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Sacomere
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Basic functional or contractile unit of muscle
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Motor neuron
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Nerve fiber that stimulates muscle cells
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Neuromuscular junction
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Point of contact between nerve endings and muscle fibers
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Isotonic
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Muscle shortens producing moving as in running or walking
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Atrophy
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Waisting away of muscles
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Hypertrophy
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Increasing muscles
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Aerobic
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Toning muscle
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Plantar flexion
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Pointing toes down
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Dorsiflexion
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Pointing toes up
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Isometric
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Muscle pulls forcefully against load but does not move as in weightlifting
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Most important muscle to respiration
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Diaphragm
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Functions of the Skeletel System
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Hemopoiesis, Support, Movement, Protection and Storage
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Hemopoiesis
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Process of blood cell formation
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Red Bone Marrow
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Soft Connective Tissue inside Bones
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4 Types of bones
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Long, Short, Flat, Irregular
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Diaphysis
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Hollow tube of hard compact bone
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Epiphyses
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End of long bone filled with red bone marrow
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2 types of connective tissue in skeletal system
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Bone and cartilage
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Medullary cavity
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Hollow area inside diaphysis that stores yellow bone marrow
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Periosteum
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Strong fibrous membrane covering long bone
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Compact bone
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outer layer of bone hard and dense
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Spongy bone
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Porous bone in the end of long bone
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Osteocytes
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Bone cells
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Osteoblasts
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Bone forming cells and where compact bone cells generate
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Osteoclasts
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Bone resorbing cells where spongy bone cells generate
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Ossification
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The process of how bones are formed from cartilage
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Ossification
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The process of how bones are formed from cartilage
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