Skeletal System

Question 1

Tendons

Answer 1

Attach muscle to bone

Question 2

Ligaments

Answer 2

Attach bone to bone

Question 3

Our skeletal system accounts for ____ % of our body weight

Answer 3

20

Question 4

Functions of the S.S

Answer 4

Support, protection, blood production, movement, storage of minerals and fats

Question 5

How many bones do we have in the body?

Answer 5

206

Question 6

Axial Skeletal Diagram

Answer 6

The skull and trunk

Question 7

Appendicular Skeletal Diagram

Answer 7

The limbs, hip, and clavicle

Question 8

Compact Bone

Answer 8

Solid and strong

Question 9

Spongy bone

Answer 9

Irregular cavities, contain bone marrow (where blood is made)

Question 10

Long bones

Answer 10

One shaft, two heads (ex: humerus, femur)

Question 11

diaphysis

Answer 11

mostly compact bone (in middle of long bone for strength)

Question 12

epiphysis

Answer 12

Mostly spongy bone (at end of long bone)

Question 13

Periosteum

Answer 13

Outside covering of diaphysis

Question 14

Sharpens Fibers

Answer 14

Attach perio to underlying bone

Question 15

Short bone

Answer 15

Cube shaped, mostly spongy bone, ex: carpals in the hand

Question 16

Irregular bone

Answer 16

Irregular shape, ex: vertebrae and hip

Question 17

Flat bone

Answer 17

Thin flat and curved, ex: skull ribs sternum

Question 18

Sesamoid bone

Answer 18

Small bones found within muscle/tendons, ex: patella

Question 19

Projections and processes

Answer 19

Grow out from surface

Question 20

Depressions and cavities

Answer 20

Dents

Question 21

Types of bone cells

Answer 21

cites, blasts, and clasts

Question 22

Osteocytes

Answer 22

Mature bone cells

Question 23

Osteoblasts

Answer 23

Bone forming cells

Question 24

Osteoclasts

Answer 24

Bone destroying cells, remodeling

Question 25

Bone Growth

Answer 25

1. Epiphyseal Plates, 2. New cartilage continuously formed, 3. Old cartilage ossified (turned to bone), 4. Bone replaces cartilage

Question 26

Fibrous

Answer 26

Immovable joints (skull)

Question 27

Cartilaginous

Answer 27

Slight movement, attached by cartilage, ribs and spine

Question 28

Synovial

Answer 28

Cavities between bone (bursa)filled w synovial fluid, freely movable

Question 29

Hinge

Answer 29

Knee or elbow

Question 30

Ball and socket

Answer 30

Shoulder or hip

Question 31

Gliding

Answer 31

Carpals and tarsals

Question 32

Saddle

Answer 32

Wide range of movement (fingers)

Question 33

Healing bone

Answer 33

1. Hematoma formation, 2. Fibrocartilaginous callus formation, 3. Bony callus formation, 4. Bone remodeling

Question 34

Osteoporosis

Answer 34

Calcium is removed from the bone

Question 35

Arthritis

Answer 35

Damaging inflammation in the joints, cause bones to rub against each other

Question 36

Rickets

Answer 36

Softening of the bones, cause bowed limbs

Question 37

Stem cells

Answer 37

Necessary to make blood cells

Question 38

Red bone marrow

Answer 38

Makes blood cells and other supportive materials

Question 39

Yellow bone marrow

Answer 39

Stores fat, anorexia ears this up

Question 40

Leukemia

Answer 40

Bone marrow is making cancerous cells

Question 41

Aplastic anemia

Answer 41

Bone marrow isn’t making red blood cells