Divisions of the skeletal system

Question 1

Axial skeleton

Answer 1

Skull, rib cage and vertebral column

Question 2

Skull

Answer 2

Bony structure of the skull consists of cranial bones and facial bones

Question 3

Sutures

Answer 3

The lines of junction between two bones, especially of the skull and are usually immovable

Question 4

Cranium

Answer 4

Eight bones which enclose and protect the brain and the organs of hearing and equilibrium

Question 5

Soft spot

Answer 5

Fontanel. Unossified membrane that lies between the cranial bones

Question 6

Frontal bone

Answer 6

forms the anterior portion of the skull and the roof of the bony cavities that contain the eyeballs

Question 7

Parietal bone

Answer 7

situated on each side of the skull behind the frontal bone and form the upper sides and roof of cranium

Question 8

Temporal bone

Answer 8

one on each side of the skull, form part of the lower cranium

Question 9

Mastoid Process

Answer 9

provides a point of attachment for several neck muscles

Question 10

Sphenoid bone

Answer 10

Middle part of the base of the skull, that joins with all the other cranial bones, holding them together

Question 11

Ethmoid

Answer 11

Light and spongy bones that forms most of the bony area between the nasal cavity and part of the orbit

Question 12

Mandible

Answer 12

Lower jaw bone

Question 13

Mastication

Answer 13

chewing

Question 14

Maxillae

Answer 14

pairs upper jawbones, fused in the midline by a suture

Question 15

Hard palate

Answer 15

upper jaw

Question 16

Cleft palate

Answer 16

If the maxillary bones do not fuse properly before birth. A congenital birth defect

Question 17

Nasal bones

Answer 17

two thin, nearly rectangular bones that lie side by side and are fused medially, forming the bridge of the nose

Question 18

Lacrimal bone

Answer 18

tiny, found in the corners of the eyes

Question 19

Zygomatic bones

Answer 19

located on the side of the face below the eyes and form the higher portion of the cheeks and to the sides of the eyes

Question 20

Vomer

Answer 20

single, thin bone that forms the lower part of the nasal septum

Question 21

paranasal sinuses

Answer 21

cavities located within the cranial and facial bones

Question 22

Thoracic cage

Answer 22

Rib cage

Question 23

Thorax

Answer 23

True ribs, sternum, costal cartilage, false ribs, floating ribs

Question 24

Vertebrae

Answer 24

26 bones that support the body and provides a protective bony canal for the spinal cord

Question 25

Vertebral column

Answer 25

Cervical, thoracic, lumbar, sacrum, coccyx

Question 26

Appendicular skeleton

Answer 26

Consists of the upper and lower limps and their girdles, which attach the limbs to the axial skeleton

Question 27

Pectoral girdle

Answer 27

consists of the clavicle and the posterior scapula. Primary goal is to attach the bones of the upper limbs to the axial skeleton and provide attachments for muscles that aid upper limb movements

Question 28

Upper limbs

Answer 28

Humerus, radius, ulna, carpals, metacarpals, phalanges

Question 29

Pelvic girdle

Answer 29

basin-shaped structure that attaches the lower limbs to the axial skeleton

Question 30

Pelves

Answer 30

Ilium, ischium, pubis

Question 31

Diathroses

Answer 31

freely movable

Question 32

ampiarthroses

Answer 32

slighlty moveable

Question 33

synarthroses

Answer 33

immovable