Ch. 5

Question 1

skeletal system function 6

Answer 1

form, protection,movement, store calvium and phosphate, blood cell formation, energy reserve

Question 2

skeletal system energy reserve happens

Answer 2

in medullary cavity

Question 3

how many bones do adults have

Answer 3

206

Question 4

how many bones at birth

Answer 4

270

Question 5

long bones

Answer 5

levers, long, humerous,

Question 6

short bones

Answer 6

carpal wrist bones, short,

Question 7

flat bones

Answer 7

parietal boens, sternum, scapula

Question 8

irregular bones

Answer 8

complex, vertebra, skull bones, sphenoid,

Question 9

sesamoid bone

Answer 9

bone develops in a tendon, patella,

Question 10

fabella is located

Answer 10

in lower leg, calf

Question 11

diaphysis is in the

Answer 11

middle of the bone, shaft, hollow

Question 12

medullary cavity is in the

Answer 12

diaphysis

Question 13

epiphysis is located

Answer 13

at each end of bone

Question 14

epiphysis is covered with

Answer 14

articular cartilage

Question 15

metaphysis is near

Answer 15

end of bone, narrow region

Question 16

metaphysis contains

Answer 16

epiphyseal line

Question 17

epiphyseal line

Answer 17

marks location of epiphyseal growth plate

Question 18

periosteum

Answer 18

fibrous outer/inne3r layer

Question 19

periosteum is rich with

Answer 19

nerves and vessels

Question 20

endosteum lines

Answer 20

medullary cavity, trabeculae of spongy bone, and canals of compact bone

Question 21

in medularry cavity there is marrow of

Answer 21

red and yellow

Question 22

red marrow

Answer 22

domaniates, help blood vessells

Question 23

yellow marrow is

Answer 23

adipose tissue, store fat long term

Question 24

when you are young red marrow is

Answer 24

frequent

Question 25

65% of bone volume is

Answer 25

calcium and phosphate mineral salts

Question 26

osteoblasts build

Answer 26

bone

Question 27

mineral salts bind around collagen fibers which

Answer 27

makes bones hard

Question 28

osteoblasts secrete

Answer 28

osteoid

Question 29

osteoids included

Answer 29

ground substance and collagen

Question 30

osteoids help with bone

Answer 30

flexibility and tensile strength

Question 31

four types of bone cells types

Answer 31

osteoprogenitor cells, osteoblasts, osteocytes, osteoclasts

Question 32

osteoprogenitor cells are

Answer 32

stem cells, give rise to osteoblasts and cytes,

Question 33

osteoprogenitor cells line

Answer 33

lining outer surface of bone, crucial in bone fracture

Question 34

osteoblasts arise from

Answer 34

ostgeoprogenitor cells

Question 35

osteogenesis is made by

Answer 35

osteoblasts

Question 36

osteoblasts trapped in tissue is

Answer 36

osteocytes

Question 37

osteocytes maintains

Answer 37

health and structure

Question 38

osteoclasts come from

Answer 38

hemotopic blood cells

Question 39

osteoclasts job is to

Answer 39

break down bone

Question 40

two types of bone

Answer 40

spongy and compact

Question 41

spongy bone is

Answer 41

deeper in

Question 42

denser bone on outside of bone

Answer 42

compact bone

Question 43

osteon is

Answer 43

center has space called central canal

Question 44

from the central canal there is rings of tree called

Answer 44

lamella

Question 45

perferating canals connects

Answer 45

central canal of one osteon to another

Question 46

between bone lamella there are

Answer 46

spaces called lacuna

Question 47

osteocytes reside in

Answer 47

lacuna

Question 48

lacuna are connected through

Answer 48

canaliculus

Question 49

prior to 8 weeks of gestation is

Answer 49

no bones

Question 50

bone tissue begings to develolp through

Answer 50

intramembranous ossification

Question 51

intramembranous ossification begins with

Answer 51

fibrous membrane turning to a bone

Question 52

spicules form within

Answer 52

fibrous membrane

Question 53

endochondral means it is in the

Answer 53

cartilage

Question 54

thin layer of cartilage present on both ends of bone called

Answer 54

epiphysial plate

Question 55

when your epiphyseal plate goes to line this means

Answer 55

done growing

Question 56

bones change how mujch

Answer 56

all the time

Question 57

once a decade all of what type of bone is replaced

Answer 57

compact

Question 58

bone remodeling

Answer 58

is osteoblasts lay down near bone and osteoclasts resorbing old bone

Question 59

spongy bone is replaced every

Answer 59

3-4 years

Question 60

bone remodeling prevents

Answer 60

brittle bone