Skeletal System Test

Question 1

canal vertical from the surface of the bone

Answer 1

central / osteonic canal

Question 2

canal perpendicular to the central / osteonic canals

Answer 2

perforating canal

Question 3

the 2 structures found in the canals

Answer 3

nerves and blood vessels

Question 4

layer of hyaline cartilage on the outer surface of the epiphysis

Answer 4

articular cartilage

Question 5

consists of bones in the upper and lower limbs and the bones that anchor the limbs of to the axial skeleton

Answer 5

appendicular skeleton

Question 6

consists of the bony and cartilaginous parts that support and protect the organs of the head, neck, and trunk

Answer 6

axial skeleton

Question 7

cartilage cells

Answer 7

chondrocyte

Question 8

a hole that nerves and blood vessels pass through

Answer 8

foramen

Question 9

blood cell formation

Answer 9

hematopoiesis

Question 10

strap of dense connective tissue that connects a bone to other bones

Answer 10

ligament

Question 11

connective tissue that fills the medullary cavity

Answer 11

marrow

Question 12

bone forming cell

Answer 12

osteoblast

Question 13

multinucleated cells that destroy blood cells

Answer 13

osteoclasts

Question 14

when the matrix completely covers the osteoblasts

Answer 14

osteocyte

Question 15

bone disease that develops when the quality / structure of a bone changes, or when bone mineral density and bone mass decreases

Answer 15

osteoporosis

Question 16

tough vascular tissue that covers the bone

Answer 16

periosteum

Question 17

bony projections

Answer 17

process

Question 18

immovable joint found in the flat bones of the skull

Answer 18

suture

Question 19

strap of dense connective connective tissue that connects a skeletal muscle to a bone

Answer 19

tendon

Question 20

expanded part of the bone at each end, which forms a joint to other bones

Answer 20

epiphysis

Question 21

shaft of the bone

Answer 21

diaphysis

Question 22

originates between sheet-like layers of connective tissue

Answer 22

intramembranous bone formation

Question 23

forms red blood cells, white blood cells, and platelets

Answer 23

red marrow

Question 24

stores fat

Answer 24

yellow marrow

Question 25

top of the backbone in the neck

Answer 25

cervical vertebrae

Question 26

what region has 7 vertebrae

Answer 26

cervical

Question 27

middle of the backbone attached to the ribs

Answer 27

thoracic vertebrae

Question 28

what region has 12 vertebrae

Answer 28

thoracic

Question 29

bottom of the backbone in the lower back

Answer 29

lumbar vertebrae

Question 30

what region has 5 vertebrae

Answer 30

lumbar

Question 31

1st and 2nd vertebrae in the cervical region

Answer 31

axis and atlas

Question 32

joint located in your hip, elbow, and vertebrae

Answer 32

ball-and-socket joint

Question 33

when are blood cells formed in the yolk sac outside of the embryo?

Answer 33

early in life

Question 34

when are blood cells formed in the liver, spleen and bone marrow?

Answer 34

later in life

Question 35

1. support and protection
2. movement
3. storage of inorganic salts
4. formation of blood cells
   (What are these?)

Answer 35

functions of bone