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14 Cards in this Set
- Front
- Back
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Skeletal System Function
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Structure of body, movement w/muscles, reserve of calcium
protects organs |
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Axial Skeleton
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Central - Skull and Vertebrae
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Appendicular Skeleton
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Extremities: Legs, Arms, Pelvic and Pectoral Girdles
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Skeletal System
Major Organs |
Bones, Cartilages, Tendons, Ligaments and Joints
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How many bones in skeletal system?
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206
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Where does bone come from?
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Cartilage
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2 Types of Bones
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Compact: Permanent, vascular
Spongy: Bone marrow w/in blood cells |
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Ossification
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Cartilage to bone
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Osteocyte
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Mature bone cell
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Osteoblast
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Absorb calcium, build bone tissue
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Osteoclast
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Releases calcium into blood stream, breaks down bone tissue, more active later in life
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Pelvic Girdle
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Holds legs to axial skeleton,
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Pectoral Girdle
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Holds arms to axial skeleton
(clavicle and scapula) |
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2 Pelvic bones
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Ilium
Ishium- Blade, Pubis - Front |
