Skeletal System

Question 1

skeletal system functions

Answer 1

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

Question 2

axial skeleton

Answer 2

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

Question 3

appendicular skeleton

Answer 3

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

Question 4

red bone marrow

Answer 4

create most red blood cells

Question 5

yellow bone marrow

Answer 5

stores fat

Question 6

periosteum

Answer 6

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

Question 7

compact bone

Answer 7

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

Question 8

spongy bone

Answer 8

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.

Question 9

medullary cavity

Answer 9

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.

Question 10

endosteum

Answer 10

tissue that lines the medullary cavity

Question 11

cervical vertebrae

Answer 11

7 vertebrae

Question 12

thoracic vertebrae

Answer 12

12 vertebrae

Question 13

lumbar vertebrae

Answer 13

5 vertebrae