Skeletal System

Question 1

The skeletal system is composed of?

Answer 1

Bone, bone marrow, cartilage, tendons, and ligaments.

Question 2

Bone tissue is often called

Answer 2

osseous tissue

Question 3

Functions of the bone?

Answer 3

Support & protect body and organs, framework, mineral homeostasis, blood cell production, energy storage

Question 4

is yellow bone marrow in all bones

Answer 4

no

Question 5

where is energy storage

Answer 5

yellow bone marrow

Question 6

Long bones ex.

Answer 6

humerus, radius, ulna, tibia, fibula, clavicle, metatarsals, metacarpals, phalanges

Question 7

Short bones ex.

Answer 7

carpals & tarsals

Question 8

flat bones ex.

Answer 8

scapula, sternum, ribs, cranial, hips

Question 9

irregular bones ex.

Answer 9

facial bones (maxillae, zygomatic), vertebrae

Question 10

sesamoid bones ex.

Answer 10

patella - only natural one

Question 11

wormian bones

Answer 11

sutures of someones skull

Question 12

shaft, contains yellow bone marrow and bloods vessels, nerves

Answer 12

diaphysis

Question 13

ends, contains red bone marrow

Answer 13

epiphysis

Question 14

small area between epiphysis and diaphysis, usually where growth plates are found

Answer 14

metophysis

Question 15

cartilage covers each end of long bone

Answer 15

articular

Question 16

articular function

Answer 16

provides protection and reduces friction in joints

Question 17

covers the bone

Answer 17

periosteum

Question 18

what does marrow cavity contain

Answer 18

yellow bone marrow, blood vessels, and nerves

Question 19

lines the medullary cavity

Answer 19

endosteum

Question 20

what does endosteum contain

Answer 20

osteoclasts and osteoprogenitor

Question 21

bone is what type of tissue

Answer 21

connective

Question 22

is bone avascular or vascular

Answer 22

vascular

Question 23

does bone have a nerve supply

Answer 23

yes

Question 24

contains fewer cells compared to the matrix

Answer 24

true

Question 25

what gives the bone strength

Answer 25

collagen fibers along with minerals calcium and phosphorus

Question 26

Intercellular material generally needed for strength?

Answer 26

matrix

Question 27

matrix is composed of

Answer 27

25% water, 25% protien fibers, 50% mineral salts

Question 28

Unspecialized cells; can undergo mitosis; eventually mature, and turn into osteoblasts or osteoclasts

Answer 28

osteoprogenitor

Question 29

bone cells that build new bone tissue, functions in growth and remodeling, and repaire of bone; make collagen and elastin protien fibers, will mature and turn into osteocytes

Answer 29

osteoblasts

Question 30

referred to as mature bone cells; maintain bone tissue

Answer 30

osteocytes

Question 31

bone cells that break down bone; function in remodeling and repair of bone

Answer 31

osteoclasts

Question 32

bone formation

Answer 32

ossification

Question 33

hardening of bone

Answer 33

calsification

Question 34

blood cell formation

Answer 34

hematopoiesis

Question 35

constant breaking down of bone and rebuilding of new bone in its place

Answer 35

remodeling

Question 36

bone disorder in which bone density decreases

Answer 36

osteoperosis

Question 37

break in bone

Answer 37

fracture

Question 38

area of cartilage in the metaphysis of a long bone and allows bone to lengthen

Answer 38

growth (epiphyseal) bone

Question 39

what hormones control growth throughout your life

Answer 39

hGH (human growth hormone), estrogen and testosterone, thyroid hormones, and parathyroid hormones