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Molina2020 Principles of Health Science > Skeletal System > Flashcards

Flashcards in Skeletal System Deck (13)
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1

skeletal system functions

Framework
Protection
Levers
Production of blood cells
Stores calcium, phosphorus, and fats

2

axial skeleton

main trunk of body; skull, spinal column, ribs, and sternum

3

appendicular skeleton

extremities; shoulder girdle, arm bones, pelvic girdle, and leg bones

4

red bone marrow

create most red blood cells

5

yellow bone marrow

stores fat

6

periosteum

the tough, fibrous tissue that forms the outermost covering of bone.

7

compact bone

is the dense, hard, and very strong bone that forms the protective outer layer of bones.

8

spongy bone

is lighter and not as strong as compact bone. This type of bone is commonly found in the ends and inner portions of long bones such as the femur. Red bone marrow is located here.

9

medullary cavity

the central cavity located in the shaft of long bones where it is surrounded by compact bone. It is here that red and yellow bone marrow are stored. Medullary means pertaining to the inner section.

10

endosteum

tissue that lines the medullary cavity

11

cervical vertebrae

7 vertebrae

12

thoracic vertebrae

12 vertebrae

13

lumbar vertebrae

5 vertebrae