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22 Cards in this Set
- Front
- Back
Functions of the skeletal system
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1.Support
2.Protection 3.movement 4.storage 5.blood cell production |
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Bone
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hard and rigid
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Cartilage
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flexible yet strong
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Where is Cartilage located?
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nose
external ear thoracic cage trachea |
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Ligaments
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bone to bone
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Protection
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skull around brain
ribs sternum vertebrae protect organs of thoracic cavity |
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How is movement produced
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produced by muscles on bones(tendons)
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tendons
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bone to muscles
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How do ligaments allow movement to bones
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alllow some movement between bones but prevent excessive movement
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what is stored in bones
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Ca and P. and fat
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How is ca and P stored in the bone?
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stored then released as needed.
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How is fat stored in the bone?
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Fat stored in marrow cavities
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Blood cell production
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Bone marrow that gives rise to blood cells and platelets
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Components of skeletal system
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bone
cartilage tendons ligaments |
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Three types of cartilage found in bones
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hyaline
fibrocartilage elastic |
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what is in the hyaline cartilage
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specialized cells that form matrix
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what are the specialized cells that form matrix
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chondroblast
chondrocytes |
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chondroblast
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form matrix
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chondrocyte
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surrounded by matrix: are lacunae
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matrix
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callogen fibers for strength
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proteoglycan
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for resiliency
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whats in matrix
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collagen
proteoglycan |