Skeletal

Question 1

axial skeleton

Answer 1

skull, vertebral column, ribs, sternum

Question 2

appendicular skeleton

Answer 2

pectoral girdle, upper extremity, pelvic girdle, lower extremity

Question 3

How many bones in the skull?

Answer 3

22 bones

Question 4

How many cervical vertebrae are there?

Answer 4

7

Question 5

How many thoracic vertebrae are there

Answer 5

5

Question 6

How many lumbar vertebrae are there?

Answer 6

5

Question 7

atlas

Answer 7

C1
supports the head
allows nodding of head

Question 8

axis

Answer 8

C2

allow head gesturing no

Question 9

Ribs 1-7

Answer 9

true ribs

Question 10

ribs 8-10

Answer 10

false ribs

Question 11

ribs 11-12

Answer 11

floating ribs

Question 12

bone

Answer 12

connective tissue with the matrix hardened by calcium phosphate

Question 13

mineralization

Answer 13

hardening process of bone

Question 14

flat bones

Answer 14

ribs

Question 15

long bones

Answer 15

arms, legs

Question 16

short bones

Answer 16

wrists, ankles

Question 17

irregular bones

Answer 17

elaborate shapes

Question 18

compact bone

Answer 18

dense outer layer of bone

Question 19

spongy bone

Answer 19

loosely organize bone tissue

Question 20

articular cartilage

Answer 20

covers joint surface, allows joint to move more freely

Question 21

periosteum

Answer 21

external sheath covering most of bone

Question 22

red marrow

Answer 22

produces red blood cells

Question 23

yellow marrow

Answer 23

fatty marrow that does not produce blood vessels

Question 24

bone remodeling

Answer 24

mature bone tissues are broken down through bone reabsorption

• lifelong process
• old bone breaks down into new bone