musculoskeletal system

Question 1

what is the Musculoskeletal system?

Answer 1

bones, muscles, and joints of the body

Question 2

function of bones?

Answer 2

structural support and protection of internal organs

Question 3

function of muscles?

Answer 3

provide internal and external movement

Question 4

function of joints?

Answer 4

where bones come together/type determined by need for flexibility

Question 5

functions of tendons?

Answer 5

bind muscles to bones

Question 6

function of ligaments?

Answer 6

bind bones to other bones

Question 7

what is ossification?

Answer 7

replacement of cartilage with bone

Question 8

Osteoblast

Answer 8

produce immature bony tissue that replaces cartilage

Question 9

Osteocyte

Answer 9

nourishes and maintains bone

Question 10

Osteoclast

Answer 10

absorbs or digests bone (remodels bone)

Question 11

what do osteoblasts and osteoclasts do?

Answer 11

work to deposit and tear down bone throughout life

Question 12

the skeleton is a source of?

Answer 12

calcium

Question 13

what does the proper formation of bones depend on?

Answer 13

sources of calcium, phosphorous, and vitamin D.

Question 14

what enzyme helps to create hard bone?

Answer 14

calcium phosphate (uses sources)

Question 15

Where is the parathyroid gland located and how does it function?

Answer 15

located behind the thyroid at the bottom of the neck. main function is maintain an appropriate balance of calcium in the bloodstream

Question 16

diaphysis

Answer 16

shaft

Question 17

epiphysis

Answer 17

end

Question 18

metaphysis

Answer 18

conelike flared portion between end and shaft

Question 19

Epiphyseal line or growth plate

Answer 19

growth plate where cartilage replaced by bone for bone growth (in length)

Question 20

Compact bone

Answer 20

contains haversian systems for blood vessels, nerves, and yellow bone marrow (mostly fat)

Question 21

Cancellous

Answer 21

spaces contain red bone marrow with elements for blood formation

Question 22

yellow marrow

Answer 22

chiefly fat

Question 23

red marrow

Answer 23

rich with blood vessels and immature and mature blood cells in various stages of development; in later life replaced with yellow marrow;

Question 24

processes

Answer 24

serve as attachments for muscles, tendons, and ligaments

Question 25

Depressions

Answer 25

openings or hollow regions help join bones or serve as passageways for nerves and/or vessels

Question 26

cranial bones and structures

Answer 26

frontal bone, parietal bone, temporal bone, occipital bone, sphenoid bone, ethmoid bone

Question 27

facial bones

Answer 27

Nasal bones, Lacrimal bones, Maxillary bones, Mandibular bones, Zygomatic bones, Vomer

Question 28

function of air cavities

Answer 28

located in facial and cranial bone lighten the skull and warm and moisten the air as it passes into the respiratory system.

Question 29

vertebrae

Answer 29

26 bone segments from base of skull to tailbone in five divisions and separated by pads of cartilage called intervertebral disks

Question 30

What are the 4 vertebral regions?

Answer 30

cervical, thoracic, lumbar, sacral

Question 31

what is the coccyx

Answer 31

tailbone

Question 32

bones on the thorax?

Answer 32

clavicle, scapula, sternum, ribs

Question 33

hematopoiesis

Answer 33

the production of all types of blood cells in the bone marrow