skeletal system

Question 1

amount of bones in the body

Answer 1

206

Question 2

are bones organs

Answer 2

yes

Question 3

what are bones made of

Answer 3

dells, protein fibers, and minerals

Question 4

what are the two divisions of the skeletal system

Answer 4

axial and appendicular

Question 5

axial skeleton bones

Answer 5

vertebral column
bony thorax
skull

Question 6

what is in the vertebral column

Answer 6

vertebrae
sacrum
coccyx

Question 7

what is in the bony thorax

Answer 7

ribs
sternum

Question 8

what is in the skull

Answer 8

cranium
xiphoid process
facial bones

Question 9

how many bones are in the vertebral column

Answer 9

33 before birth
then some fuse later on to form 26 separate bones

Question 10

how many bones in each vertebrae

Answer 10

cervical vertebrae: 7
thoracic vertebrae: 12
lumbar vertebrae: 5
sacrum: 5 fused vertebrae
coccyx: 4 fused vertebrae

Question 11

1st vertebrae name

Answer 11

atlas

Question 12

2nd vertebra name

Answer 12

axis/ C2

Question 13

thoracic vertebrae

Answer 13

they articulate with the ribs and have a long spiny look that hooks downward

Question 14

lumbar vertebrae

Answer 14

much larger than any other vertebrae so it can support the upper body

Question 15

cervical vertebrae

Answer 15

located in the neck, the smallest and lightest vertebrae in the body

Question 16

the rib cage

Answer 16

has 12 pairs of ribs with three types:
true ribs
false ribs
floating ribs

Question 17

true ribs

Answer 17

pairs 1-7 which direct anteriorly to the sternum connecting by cartilage

Question 18

false ribs

Answer 18

pairs 8-12 articulate indirectly or not at all

Question 19

floating ribs

Answer 19

they do not connect at all

Question 20

3 parts of the sternum

Answer 20

manubrium, the body, and xiphoid process

Question 21

what is the skull formed by

Answer 21

cranium and facial bones that connect by immovable joints

Question 22

nyoid bone

Answer 22

no direct articulation to another bone but provides attachment for muscles of the mouth and throat

Question 23

what has the smallest bones in the body

Answer 23

auditory ossicles; (malleus, incus, and stapes)

Question 24

appendicular skeleton bones

Answer 24

pectoral (shoulder) girdle
upper limbs
pelvic (hip) girdle
lower limbs

Question 25

pectoral (shoulder) girlde

Answer 25

collar bones shoulder bones

Question 26

upper limbs

Answer 26

arms hands

Question 27

pelvic (hip) girdle

Answer 27

coxal bones

Question 28

lower limbs

Answer 28

legs feet

Question 29

specific bones in pectoral girdle

Answer 29

clavicle, scapula

Question 30

specific bones in the upper limbs

Answer 30

humerus, ulna, radius, carpals, metacarpals, and phalanges

Question 31

specific bones in the pelvic girdle

Answer 31

ilium, ischium, pubis

Question 32

specific bones in the lower limbs

Answer 32

femur, patella, tibia, fibula, tarsals, metatarsals, phalanges

Question 33

clavicle

Answer 33

commonly called the collar bone

Question 34

scapula

Answer 34

called the shoulder blade

Question 35

what is the thigh bone

Answer 35

femur

Question 36

what is the kneecap

Answer 36

patella

Question 37

what is the large bone in the lower legs; sometimes called the shin bone

Answer 37

tibia

Question 38

what is the smaller bone in the lower leg; forms the lateral ankle

Answer 38

fibula

Question 39

shapes of bones

Answer 39

long, short, flat, irregular, sesamoid

Question 40

two basic types of bones

Answer 40

compact spongy

Question 41

compact bone definition

Answer 41

dense and looks smooth, it is also homogeneous. surrounds spongy bone at the end and runs along the shaft surrounding the medullary cavity

Question 42

spongy bone definition

Answer 42

composed of small pieces of bone and lots of open space, found at the end of long bones

Question 43

the microscopic anatomy of the bone

Answer 43

composed of a hard mineral salts and reinforced with collagen fibers

Question 44

mature bone cells are called what

Answer 44

osteocytes

Question 45

osteocytes

Answer 45

found in tiny cavities within the matrix called lacunae

Question 46

2 primary gross anatomical features of long bone

Answer 46

diaphysis epipysis

Question 47

diaphysis

Answer 47

the shaft; composed of compact bone

Question 48

epiphysis

Answer 48

the ends of the bone; composed mostly of spongy bone

Question 49

bone markings are bumps, holes, and ridges where

Answer 49

muscles, tendons, and ligaments are attached . where blood vessels and nerves pass

Question 50

two categories of bone markings

Answer 50

projections/processes depressions/cavities

Question 51

depressions or openings

Answer 51

meatus fossa foramen

Question 52

projections

Answer 52

tuberosity trochanter tubercle process condyle