Skeletal System

Question 1

total bones

Answer 1

206

Question 2

articulation

Answer 2

joint

Question 3

skeleton stores

Answer 3

calcium and phosphorus

Question 4

long bones

Answer 4

longer than they are wide

Question 5

short bones

Answer 5

same length and width

Question 6

cortical bone

Answer 6

dense outer layer

Question 7

trabecular bone

Answer 7

honeycomb-like inner structure

Question 8

diaphysis

Answer 8

shaft of bone

Question 9

medullary cavity

Answer 9

hollow part in middle with yellow marrow

Question 10

endosteum

Answer 10

thin connective tissue layer lining medullary cavity

Question 11

epiphyseal cartilage

Answer 11

seperates diaphysis and epiphysis

Question 12

periosteum

Answer 12

connective tissue that covers outside of bone

Question 13

osteoblasts

Answer 13

cells that rebuild bone

Question 14

osteoclasts

Answer 14

cells that break down the bone

Question 15

Wollff’s law

Answer 15

changing in bone structure coinside with changes in bone function

Question 16

number of bones in axial skeleton

Answer 16

74

Question 17

axial skeleton main goal

Answer 17

axial support for body, protect CNS

Question 18

bones in axial skeleton

Answer 18

skull, vertebral column, sternum, and ribs

Question 19

how many vertabrae

Answer 19

33

Question 20

cervical vertabrae

Answer 20

7, smallest most delicate

Question 21

thoracic vertabrae

Answer 21

12, each attached to a rib

Question 22

lower region

Answer 22

5 lumbar vertabrae,