Skeletal System

Question 1

Axial skeleton

Answer 1

the bones of the skull, vertebral column, thorax, and sternum.

Question 2

Appendicular skeleton

Answer 2

bones of the limbs and limb girdles that are attached to the axial skeleton.

Question 3

Compact bone

Answer 3

is dense and looks smooth and homogenous

Question 4

Spongy bone

Answer 4

composed of small needlelike pieces of bone and lots of open space

Question 5

Long bones

Answer 5

longer than they are wide.

Question 6

Short bones

Answer 6

generally cube-shaped and contain mostly spongy bone.

Question 7

Flat bones

Answer 7

thin, flattened, and usually curved.

Question 8

Irregular bones

Answer 8

bones that do not fit one of the preceding categories.

Question 9

Diaphysis

Answer 9

makes up most of the bone’s length and is composed of compact bone.

Question 10

Peritoneum

Answer 10

fibrous connective tissue membrane.

Question 11

Epiphyseal line

Answer 11

a thin line of bony tissue spanning the epiphysis that looks a bit different from the rest of the bone in that area.

Question 12

Hematoma

Answer 12

a medical word for bruise, or black and blue mark.

Question 13

Cranium

Answer 13

the part of the skull that encloses the brain

Question 14

Occipital bone

Answer 14

bone forming the back and back part of the base of the cranium, the part of the skull that encloses the brain

Question 15

Vertebral column

Answer 15

the flexible column extending from neck to tail, made of a series of bones, the vertebrae.

Question 16

Vertebrae

Answer 16

the 33 individual, interlocking bones that form the spinal column

Question 17

Intervertebral discs

Answer 17

Between each vertebral body is a cushion. - cushion the vertebrae and absorb shocks while allowing the spine flexibility

Question 18

Cervical vertebrae

Answer 18

the bones within the neck. - form the neck region of the spine

Question 19

Thoracic vertebrae

Answer 19

the middle section of your spine

Question 20

Lumbar vertebrae

Answer 20

bones that make up the spinal column or backbone, specifically within the lower back. - massive, blocklike bodies

Question 21

Sacrum

Answer 21

the large, triangle-shaped bone at the base of the spine - formed by the fusion of five vertebrae

Question 22

Coccyx

Answer 22

the tailbone - formed from the fusion of three to five tiny, irregularly shaped vertebrae

Question 23

Sternum

Answer 23

breastbone, the flat plate at the top of your rib cage - a typical flat bone and the result of the fusion of three bones - the manubrium, body, and xiphoid process.

Question 24

Ribs

Answer 24

one of the curved bones of the chest that are joined to the backbone and help to stiffen the body wall and protect the organs. - twelve pairs form the walls of the bony thorax

Question 25

Clavicle

Answer 25

the bone that runs horizontally between the top of the breastbone and shoulder blade

Question 26

Scapulae

Answer 26

shoulder blade

Question 27

Humerus

Answer 27

the long bone of the upper arm or forelimb that extends from the shoulder to the elbow.

Question 28

Radius

Answer 28

one of the two bones that make up the forearm - the lateral bone; that is, it is on the thumb side of the forearm.

Question 29

Ulna

Answer 29

one of the two forearm long bones that, in conjunction with the radius, make up the antebrachium. - medial bone of the forearm

Question 30

Carpal bones

Answer 30

bones of the wrist that connect the distal aspects of the radial and ulnar bones of the forearm to the bases of the five metacarpal bones of the hand. - eight bones arranged in two irregular rows of four bones each, form the part of the hand called the carpus (wrist).

Question 31

Pelvic girdle

Answer 31

forms the bony framework of the pelvis together with the sacrum of the vertebral column and coccyx.

Question 32

Femur

Answer 32

a long bone that runs the length of your upper leg, or thigh.

Question 33

Tibia

Answer 33

one of two bones that comprise the leg

Question 34

Fibula

Answer 34

a long bone in the lower extremity that is positioned on the lateral side of the tibia.