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Biology 2 > SKELETAL SYSTEM > Flashcards

SKELETAL SYSTEM Flashcards

1
Q

5 Functions of the Skeletal System

A

Movement
Support
Protection
Makes Blood
Storage

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2
Q

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

A

Storage

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3
Q

helps build dense boneS

A

Calcium

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4
Q

Skeletal system provides points of attachment for muscles.

A

Movement

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5
Q

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

A

Movement

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6
Q

The backbone is the main support center for the upper body

A

Support

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7
Q

It holds your head up and protects your spinal cord

A

Support

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8
Q

The bones of your skull protect your brain

A

Protection

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9
Q

Your ribs protect your lungs and heart from injury.

A

Protection

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10
Q

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

A

Makes Blood

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11
Q

Two Major Skeletal System Parts

A

Axial Skeleton
Appendicular Skeleton

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12
Q

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

A

Appendicular Skeleton

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13
Q

includes the skull, spine, ribs and sternum.

A

Axial Skeleton

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14
Q

Four basic bone shapes

A

Long, Short, Flat, Irregular

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15
Q

spine

A

Irregular

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16
Q

skull and sternum

A

Flat

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17
Q

wrist and ankles

A

Short

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18
Q

arms, legs and fingers

A

Long

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19
Q

Longer than they are wid

A

Long Bones

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20
Q

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

A

Long Bones

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21
Q

Roughly cube shaped

A

Short Bones

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22
Q

Bones of the wrist and the ankle

A

Short Bones

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23
Q

Thin, flattened, and usually a bit curved.

A

Flat Bones

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24
Q

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

A

Flat Bones

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25
Q

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

A

Irregular Bones

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26
Q

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

A

Irregular Bones

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27
Q

Bone Classification

A

Irregular Bones, Flat Bones, Short Bones, Long Bones

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28
Q

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

A

compact bone

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29
Q

inner layer

A

spongy bone.

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30
Q

Typical Four Layer

A

Periosteum, Compact Bone, Spongy Bone, Bone Marrow

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31
Q

Fills the gaps between the spongy bone

A

Bone Marrow

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32
Q

Lies beneath the compact bone

A

Spongy Bone

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33
Q

Lies beneath the periosteum

A

Compact Bone

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34
Q

Covers Bones

A

Periosteum

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35
Q

complex living structures that undergo growth and development.

A

Bones

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36
Q

Beneath the outer membrane is a layer of

A

compact bone

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37
Q

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

A

compact bone

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38
Q

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

A

compact bone, osteocytes (bone cells)

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39
Q

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

A

Bone tissue

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40
Q

provides strength and resilience
and

A

collagen

41
Q

(protein)

A

collagen

42
Q

provides hardness and resistance to crushing

A

calcium

43
Q

Inside the compact bone is a layer of

A

spongy bone

44
Q

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

A

spongy bone.

45
Q

is also found at the ends of bones

A

Spongy bone

46
Q

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

A

Spongy Bone Structure

47
Q

Absorbs shock/stress on skeleton

A

Spongy Bone Structure

48
Q

Space makes bone lighter

A

Spongy Bone Structure

49
Q

Space is filled with bone marrow

A

Spongy Bone Structure

50
Q

blood cell production

A

red

51
Q

fat storage

A

yellow

52
Q

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

A

marrow

53
Q

Two types of Marrow

A

Red Marrow , Yellow Marrow

54
Q

stores fat that can serve as an energy reserve.

A

Yellow Marrow

55
Q

produces most of the body’s blood cells

A

Red Marrow

56
Q

The structure of bones make it both

A

strong and light weight.

57
Q

——of an adults body weight is bone.

A

20 %

58
Q

Bone is made up of 2 minerals

A

Calcium
Phosphorus

59
Q

As an infant, most of your skeleton is

A

cartilage

60
Q

a strong flexible tissue

A

cartilage

61
Q

Over time the cartilage is replaced by

A

solid bone

62
Q

ears and the end of the nose is also

A

cartilage

63
Q

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

A

clavicle

64
Q

collar bone

A

clavicle

65
Q

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

A

scapula

66
Q

neck bones

A

cervical region

67
Q

what the ribs attach to

A

thorasic region

68
Q

the lower part of the back)

A

lumbar region

69
Q

Radius and Ulna

A

Radius on Top
Ulna on Bottom

70
Q

Wrist Bones

A

Carpals

71
Q

Top of Hands

A

Metacarpals

72
Q

Little Fingers

A

Phalanges

73
Q

Breastbone

A

Sternum

74
Q

Largest Bone in the Body

A

Femur

75
Q

place where two bones come together.

A

Joints

76
Q

allow the bones to move in different ways

A

Joints

77
Q

Two types of joints

A

Immovable
Movable

78
Q

A joint that allows little or no movement

A

Immovable Joints

79
Q

Most of the joint are

A

movable joints

80
Q

Allow the body to move in a wide range of movements

A

Movable Joints

81
Q

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

A

ligaments

82
Q

Four types of movable joints

A

Hinge
Ball-and-socket
Pivot
Gliding

83
Q

Round end of bone fitting snuggly within another bone.

A

Ball-and-Socket Joint

84
Q

Shoulder and Hip

A

Ball-and-Socket Joint

85
Q

Allows the greatest range of motion

A

Ball-and-Socket Joint

86
Q

allows you to swing your arm freely in a circle

A

Ball-and-Socket Joint

87
Q

Hinge Joint

A

Movement in one direction like a door

88
Q

Ex. Knee and Elbow

A

Hinge Joint

89
Q

Allows forward or backward motion

A

Hinge Joint

90
Q

Bone resting atop another bone permitting free movement

A

Pivot Joint

91
Q

Ex. Neck, Wrist and Ankles

A

Pivot Joint

92
Q

Allows one bone to rotate around another.

A

Pivot Joint

93
Q

Allows you to turn your head

A

Pivot Joint

94
Q

Allows one bone to slide over another

A

Gliding Joint

95
Q

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

A

Gliding Joint

96
Q

Ex. Knuckles, wrist, ankle

A

Gliding Joint

97
Q

Connects bone to bone.

A

Ligament

98
Q

Attaches muscles to bones

A

Tendon

Biology 2 (11 decks)

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