Skeletal System Flashcards by Aleena Israr

Q

Give 2 reasons why bone is a living tissue

A

Reacts to the amount of force applied by increasing/decreasing density
Stores calcium -resorbed and transferred to blood stream when needed

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Q

what are bone calcium salts

A

give hardness/strength for support/protection of softer tissues

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Q

What are the 4 cells of bones

A

Osteoprogenitor cell- stem cell
Osteoblast- immature cell responsible for bone growth
Osteocyte - mature cell, maintaining bone structure
Osteoclast - Macrophage lineage, secrete enzyme to break down bone to bring Ca2+ into blood stream

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Q

A

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