skeletal system

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8 Terms

1
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what are the functions of bones?

support, movement, and protection, red blood cell formations, stores fat and marrow, also stores inorganic salts

2
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parathyroid

low blood cacium= osteoclast activity

3
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calcitonin

high blood calcium= osteoblast

4
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what are the 4 bone shapes?

long bones, sesamoid bones, flat bones, irregular bone

5
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compact (cortical) bone

no space,, repeated osteons (external of all bone)

6
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spong (cancellous) bone

red marrow lives in spaces of spongy bome, spaces change to accomondate pressure

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epiphysis

at the ends of long bone. outer surface id hyaline cartilage

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dia