SKELETAL SYSTEM

Question 1

5 Functions of the Skeletal System

Answer 1

Movement
Support
Protection
Makes Blood
Storage

Question 2

Bones store minerals, such as calcium and phosphorus, for use by the body

Answer 2

Storage

Question 3

helps build dense boneS

Answer 3

Calcium

Question 4

Skeletal system provides points of attachment for muscles.

Answer 4

Movement

Question 5

Your legs and arms move when the muscles pull on the bones.

Answer 5

Movement

Question 6

The backbone is the main support center for the upper body

Answer 6

Support

Question 7

It holds your head up and protects your spinal cord

Answer 7

Support

Question 8

The bones of your skull protect your brain

Answer 8

Protection

Question 9

Your ribs protect your lungs and heart from injury.

Answer 9

Protection

Question 10

Red and white blood cells are formed by tissue called marrow, which is in the center of the bone

Answer 10

Makes Blood

Question 11

Two Major Skeletal System Parts

Answer 11

Axial Skeleton
Appendicular Skeleton

Question 12

includes the appendages of the body, which are the shoulders, arms, hips, and legs

Answer 12

Appendicular Skeleton

Question 13

includes the skull, spine, ribs and sternum.

Answer 13

Axial Skeleton

Question 14

Four basic bone shapes

Answer 14

Long, Short, Flat, Irregular

Question 15

spine

Answer 15

Irregular

Question 16

skull and sternum

Answer 16

Flat

Question 17

wrist and ankles

Answer 17

Short

Question 18

arms, legs and fingers

Answer 18

Long

Question 19

Longer than they are wid

Answer 19

Long Bones

Question 20

All limb bones except the patella (kneecap) and the bones of the wrist and ankle

Answer 20

Long Bones

Question 21

Roughly cube shaped

Answer 21

Short Bones

Question 22

Bones of the wrist and the ankle

Answer 22

Short Bones

Question 23

Thin, flattened, and usually a bit curved.

Answer 23

Flat Bones

Question 24

Scapula (shoulder blade), sternum (breast bone), ribs, and most bones of the skull

Answer 24

Flat Bones

Question 25

Have weird shapes that fit none of the 3 previous classes.

Answer 25

Irregular Bones

Question 26

Vertebrae, hip bones, 2 skull bones – mandible and maxilla.

Answer 26

Irregular Bones

Question 27

Bone Classification

Answer 27

Irregular Bones, Flat Bones, Short Bones, Long Bones

Question 28

All bones consist of a dense, solid outer layer known as

Answer 28

compact bone

Question 29

inner layer

Answer 29

spongy bone.

Question 30

Typical Four Layer

Answer 30

Periosteum, Compact Bone, Spongy Bone, Bone Marrow

Question 31

Fills the gaps between the spongy bone

Answer 31

Bone Marrow

Question 32

Lies beneath the compact bone

Answer 32

Spongy Bone

Question 33

Lies beneath the periosteum

Answer 33

Compact Bone

Question 34

Covers Bones

Answer 34

Periosteum

Question 35

complex living structures that undergo growth and development.

Answer 35

Bones

Question 36

Beneath the outer membrane is a layer of

Answer 36

compact bone

Question 37

hard and dense, but not solid – it is filled with holes and has small canals for blood vessels and nerves

Answer 37

compact bone

Question 38

are arranged in rings around Central Canals, passageways for blood vessels and nerves.

Answer 38

compact bone, osteocytes (bone cells)

Question 39

type of connective tissue, so it must consist of cells plus an extracellular matrix

Answer 39

Bone tissue

Question 40

provides strength and resilience and

Answer 40

collagen

Question 41

(protein)

Answer 41

collagen

Question 42

provides hardness and resistance to crushing

Answer 42

calcium

Question 43

Inside the compact bone is a layer of

Answer 43

spongy bone

Question 44

It has many small spaces, is light weight, but strong

Answer 44

spongy bone.

Question 45

is also found at the ends of bones

Answer 45

Spongy bone

Question 46

Composed of irregular and interconnected channels, creating lots of space.

Answer 46

Spongy Bone Structure

Question 47

Absorbs shock/stress on skeleton

Answer 47

Spongy Bone Structure

Question 48

Space makes bone lighter

Answer 48

Spongy Bone Structure

Question 49

Space is filled with bone marrow

Answer 49

Spongy Bone Structure

Question 50

blood cell production

Answer 50

red

Question 51

fat storage

Answer 51

yellow

Question 52

In the spaces of many bones there is a soft connective tissue called

Answer 52

marrow

Question 53

Two types of Marrow

Answer 53

Red Marrow , Yellow Marrow

Question 54

stores fat that can serve as an energy reserve.

Answer 54

Yellow Marrow

Question 55

produces most of the body’s blood cells

Answer 55

Red Marrow

Question 56

The structure of bones make it both

Answer 56

strong and light weight.

Question 57

——of an adults body weight is bone.

Answer 57

20 %

Question 58

Bone is made up of 2 minerals

Answer 58

Calcium Phosphorus

Question 59

As an infant, most of your skeleton is

Answer 59

cartilage

Question 60

a strong flexible tissue

Answer 60

cartilage

Question 61

Over time the cartilage is replaced by

Answer 61

solid bone

Question 62

ears and the end of the nose is also

Answer 62

cartilage

Question 63

holds the shoulder joint away from the rest of the upper body and is only as thick as your little finger

Answer 63

clavicle

Question 64

collar bone

Answer 64

clavicle

Question 65

is located on the back side of the ribcage and helps provide part of the shoulder joint and movement for the arms

Answer 65

scapula

Question 66

neck bones

Answer 66

cervical region

Question 67

what the ribs attach to

Answer 67

thorasic region

Question 68

the lower part of the back)

Answer 68

lumbar region

Question 69

Radius and Ulna

Answer 69

Radius on Top Ulna on Bottom

Question 70

Wrist Bones

Answer 70

Carpals

Question 71

Top of Hands

Answer 71

Metacarpals

Question 72

Little Fingers

Answer 72

Phalanges

Question 73

Breastbone

Answer 73

Sternum

Question 74

Largest Bone in the Body

Answer 74

Femur

Question 75

place where two bones come together.

Answer 75

Joints

Question 76

allow the bones to move in different ways

Answer 76

Joints

Question 77

Two types of joints

Answer 77

Immovable Movable

Question 78

A joint that allows little or no movement

Answer 78

Immovable Joints

Question 79

Most of the joint are

Answer 79

movable joints

Question 80

Allow the body to move in a wide range of movements

Answer 80

Movable Joints

Question 81

Bones in movable joints are held together by strong connective tissue called

Answer 81

ligaments

Question 82

Four types of movable joints

Answer 82

Hinge Ball-and-socket Pivot Gliding

Question 83

Round end of bone fitting snuggly within another bone.

Answer 83

Ball-and-Socket Joint

Question 84

Shoulder and Hip

Answer 84

Ball-and-Socket Joint

Question 85

Allows the greatest range of motion

Answer 85

Ball-and-Socket Joint

Question 86

allows you to swing your arm freely in a circle

Answer 86

Ball-and-Socket Joint

Question 87

Hinge Joint

Answer 87

Movement in one direction like a door

Question 88

Ex. Knee and Elbow

Answer 88

Hinge Joint

Question 89

Allows forward or backward motion

Answer 89

Hinge Joint

Question 90

Bone resting atop another bone permitting free movement

Answer 90

Pivot Joint

Question 91

Ex. Neck, Wrist and Ankles

Answer 91

Pivot Joint

Question 92

Allows one bone to rotate around another.

Answer 92

Pivot Joint

Question 93

Allows you to turn your head

Answer 93

Pivot Joint

Question 94

Allows one bone to slide over another

Answer 94

Gliding Joint

Question 95

Allows your to bend and flex as well as make limited side to side motions

Answer 95

Gliding Joint

Question 96

Ex. Knuckles, wrist, ankle

Answer 96

Gliding Joint

Question 97

Connects bone to bone.

Answer 97

Ligament

Question 98

Attaches muscles to bones

Answer 98

Tendon