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21 Cards in this Set
- Front
- Back
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Functions of Skeletal System |
* Support * Protection/Anchoring * Assistance in Movement * Mineral Homeostasis * Blood Cell Production * Triglyceride Storage |
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Appendicular Skeltal |
* Appendages * Pelvic * Pectoral Girdles |
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Axial Skeletal |
Bones along the central Axis |
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How many bones are in the Appendicual Structure? |
80 |
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How many bones are in the Axial Structure? |
126 |
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How many bones are in the Skull? |
22 |
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What is the movable bone of skull? |
Mandible |
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Where are the smallest bones found? |
Cranium |
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What is the only bone that doesn't directly articulate with any other bone? |
Hyoid |
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Bones |
Rigid connective tissue wit ha dense matrix of collagen fibers and hardened with deposits of calcium and minerals |
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Bones are constantly doing what? |
Being built and degraded |
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How does bones become thicker/stronger? |
With weigh resistant exercise |
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Why is calcium important? |
* Muscle contraction
* Blood Clotting * Enzymes |
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What connective tissue covers bone? |
Fibrous |
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What does Fibrous Connective Tissue help with? |
Helps form new bone during growth or after a fracture |
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Where is cartilage found? |
The end of the bones |
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What does the cartilage do? |
Cushions joints
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What are the three kinds of Bone Cells? |
* Osteoblasts * Osteocytes * Osteoclasts |
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Which bone cell is this? * Bone building cells * synthesizes and secretes collagen fibers * become secreted and develops into osteocytes * found in connective tissue that surrounds bones |
Osteoblasts |
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Which bone cell is this? * Mature bone cells * Embedded in bone tissue * Maintenance, exchange of nutrients |
Osteocytes |
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Which bone cell is this? * digest and breakdown * help regulate blood calcium * found in connective tissue |
Osteoclasts |
