Part 5 - The Skeletal System 1

Question 1

Associated with ligaments, tendons and cartilages

Answer 1

Skeletal sys

Question 2

Function of skeletal sys

Answer 2

1 support
2 protection
3 movement
4 mineral storage
5 hematopoiesis

Question 3

Framework that supports the whole body and its soft organs

Answer 3

Support

Question 4

Protection for delicate organs like heart, lungs and brain

Answer 4

Protection

Question 5

Acts as a levers for muscles

Answer 5

Movement

Question 6

Reservoir for mineral and adipose tissue

Answer 6

Mineral storage

Question 7

Blood cell production

Answer 7

Hematopoiesis

Question 8

Bone cells (3)

Answer 8

1 osteoblast
2 osteocytes
3 osteoclasts

Question 9

Bone building cells, initiaties the process of calcification

Answer 9

Osteoblast

Question 10

Found in periosteum and endosteum

Answer 10

Osteoblast

Question 11

Preserves the mature bone cell

Answer 11

Osteocytes

Question 12

Osteoblasts that have become trapped by the secretion of matrix

Answer 12

Osteocytes

Question 13

No longer secretes matrix

Answer 13

Osteocyte

Question 14

Responsible for maintaing bone tissue

Answer 14

Osteocyte

Question 15

Huge cells derive from the fussion of as many monocytes

Answer 15

Osteoclast

Question 16

How many monocytes fussed

Answer 16

50 monocytes

Question 17

Cells that digest bone matrix

Answer 17

Osteoclast

Question 18

It is concentrated in endosteum

Answer 18

Osteoclast

Question 19

Outer covering

Answer 19

Periosteum

Question 20

Inner covering

Answer 20

Endosteum

Question 21

2 bone structure(divisions)

Answer 21

1 compact bone/cortical

2 spongy bone/cancellous

Question 22

Dense, solid outer layer

Answer 22

Compact bone

Question 23

Inner layer with trabeculae

Answer 23

Spongy bone

Question 24

Honeycomb of flat, needle like projections

Answer 24

Trabeculae

Question 25

Bone structure(parts)

Answer 25

1 haversian sys 2 lamela 3 lacunae 4 canaliculi

Question 26

Contains haversian canal

Answer 26

Haversian sys

Question 27

Matrix/ground substance of bone

Answer 27

Lamela

Question 28

Spaces in lamela

Answer 28

Lacunae

Question 29

Connects the lacunae

Answer 29

Canaliculi

Question 30

Long bone structure

Answer 30

``` 1 diaphysis 2 epiphysis 3 articular cartilage 4 periosteum 5 endosteum ```

Question 31

Shaft

Answer 31

Diaphysis

Question 32

Expanded ends

Answer 32

Epiphysis

Question 33

Hyaline cartilage that covers the surface of epiphysis to reduce friction during movement

Answer 33

Articular cartilage

Question 34

Double layered membrane

Answer 34

Periosteum

Question 35

Covers the external surface of the entire bone

Answer 35

Periosteum

Question 36

Covers the internal bone surfaces

Answer 36

Endosteum

Question 37

Structure of short, irregular and flat bones

Answer 37

1 periosteum 2 endosteum 3 bone marrow is between the trabeculae but no marrow cavity 4 whole arrangement resembles a stiffened sandwich

Question 38

Bone classifications 4

Answer 38

1 long bones 2 short bones 3 flat bones 4 irregular bones

Question 39

Much longer than they are wide

Answer 39

Long bones

Question 40

Roughly cube shaped

Answer 40

Short bones

Question 41

Example of short bones

Answer 41

Bones of wrist and ankle

Question 42

Thin, flattened and usually a bit curved

Answer 42

Flat bones

Question 43

Have weird shapes and fit none of the othee classes of bones

Answer 43

Irregular bones

Question 44

Formation of bone

Answer 44

Bone ossification

Question 45

Process of bone ossification 2

Answer 45

1 intramembranous ossification | 2 endochondral ossification

Question 46

Direct mineralization

Answer 46

Intramembranous ossification

Question 47

Process that converts cartilage in embryonic skeletons into bones

Answer 47

Endochondral ossification

Question 48

Bone growth(increase in size, length and width)

Answer 48

1 appositional growth | 2 endochondrial growth

Question 49

Formation of new bone on the surface of existing bone

Answer 49

Appositional growth

Question 50

Mechanism by which a long bone grows in length

Answer 50

Endochondrial growth

Question 51

Process in which bone is reformed

Answer 51

Bone remodeling

Question 52

Bone remodeling 2

Answer 52

1 bone deposit and removal | 2 bone remodeling

Question 53

Occurs at periosteal and endosteal surfaces

Answer 53

Bone deposit and removal

Question 54

2 bone remodeling

Answer 54

1 bone deposition | 2 bone reabsorption

Question 55

Accomplised by osteoblasts

Answer 55

Bone deposition

Question 56

Accomplished by osteoclasts

Answer 56

Bone reabsorption

Question 57

Composed of body's bones

Answer 57

Skeletal sys