Ch.3 Skeletal Systems

Question 1

list the bones of the axial and appendicular skeletons

Answer 1

see table 3-1

Question 2

Describe the type of bone typically located in the axial skeleton

Answer 2

irregular and flat bones

Question 3

describe the type of bone typically located in the appendicular system

Answer 3

Long, short, and sesamoid bones

Question 4

explain why compact bone is heavier than cancellous bone

Answer 4

Compact bone is dense
cancellous bone is composed of trabeculae that leave space around them

Question 5

Which type of bone is responsible for an individual’s growth in height?

Answer 5

long bones

Question 6

In which part of the bone does this growth occur?

Answer 6

growth plates are between the epiphysis and metaphysis

Question 7

Considering the skeleton as a simple machine, what are bone and joints?

Answer 7

bones are levers
joints are axes

Question 8

what is the function of the periosteum?

Answer 8

to provide nourishment and promote circumferential growth

Question 9

describe trabeculae and their function

Answer 9

reinforcement of bones along stress lines
reduces weight of cancellous

Question 10

describe the location and function of the medullary canal

Answer 10

.in the center of long bones
.To provides a site for bone marrow, which is where blood is produced.
.Contains nutrient arteries
. lining contains osteoclasts

Question 11

sketch and label the components of a long bone.

Answer 11

see figure 3-3

Question 12

what are the functions of osteoclasts and osteoblasts?

Answer 12

Osteoblasts produce bone
osteoclasts destroy/ remove bone