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Biology - 6th Year > Muscular Skeletal System > Flashcards

Muscular Skeletal System Flashcards

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1
Q

It provides

A

Suport

Protection of internal organs

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2
Q

How many bones in the human body

A

206

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3
Q

What are the bones divided into

A

Axial and appendicular

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4
Q

Axial

A

Skull ribs backbone

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5
Q

Appendicular

A

Arms and legs

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6
Q

How many bones in a spine

A

33

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7
Q

CTLSC

A 
Cervical 7
Thoracic 12
Lumbar 5
Sacrum 5
Coccyx 4
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8
Q

Antagonistic muscles

A

Two muscles that have opposite effects on each other

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9
Q

Three bones in arms

A

Humerous radius ulna

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10
Q

Carpals

A

Fingers

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11
Q

Metacarpals

A

Hands

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12
Q

Radius to

A

Thumb

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13
Q

Ulna to

A

Fingers

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14
Q

Pectoral girdle

A

Collarbone and shoulder bone

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15
Q

Another word for collarbone

A

Clavicle

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16
Q

Another word for shoulder bone

A

Scapula

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17
Q

Upper arm us called..

A

Humerous

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18
Q

Thigh bone

A

Femur

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19
Q

Knee bone

A

Patella

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20
Q

Tibia is

A

Thick

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21
Q

Fibula is

A

Thin

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22
Q

Feet

A

Tarals

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23
Q

What are xrays only used to investigate

A

Hard surface materials

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24
Q

Medullary cavity

A

The hallow centre region in a long bone containing bone marrow

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25
Q

What does the medullary cavity contain

A

Yellow bone marrow thats stores fat

26
Q

Periosteum

A

Though fiberous layer surrounding each bone

27
Q

Cartilage

A

Covers the tips of bones in joints reducing friction and acting as a shock absorber

28
Q

Compact bone

A

Contains Living cells (osteoblasts) embedded in calcium salts and protein (collagen)

29
Q

Osteocytes

A

mature osteoblasts that have become trapped within the bone matrix they produced

30
Q

Collagen

A

Protein in compact bones

31
Q

Where is collagen found

A

Outer edge of the bone

32
Q

Spongy bone

A

Makes blood cells and gives strenght to bones and makes them lighter

33
Q

Joint

A

Where two bones meet

34
Q

Ligaments

A

Elastic tissues that connect bone to bone

35
Q

3 main types of joints

A

Immovable
Partially movable
Movable

36
Q

Immovable joint

A

Bones are fused eg skulls and pelvis

37
Q

Partially movable

A

Bones slide over each other eg wrist ankle

38
Q

Name the two types of synovial joints

A

Ball and socket

Hinge

39
Q

Ball and socket joints

A

Allows movement in most directions eg hip and shoulder

40
Q

Hinge joint

A

Allows movement in one place only eg elbow knee finger toe

41
Q

Muscles

A

Pull on bones and provide movement

42
Q

What are muscles attached to bones by

A

Tendons

43
Q

When can muscles pull

A

When they contract

44
Q

Example of a bone disorder

A

Arthritis

45
Q

Arthritis

A

A painful disorder where inflammation in one or more joints resulting in swelling and restricted movement

46
Q

Causes of arthritis

A

Diseases eg gout, tb snd infections of the synovial membranes

47
Q

Prevention of arthritis

A

Good diet

Care in footwear

48
Q

Treatment of arthritis

A

Aspirin

Replacement

49
Q

Synovial fluid

A

Produced in movable joints to lubricate and reduce friction

50
Q

Tendons

A

connect muscle to bone

51
Q

What does muscle contraction need

A

Energy

52
Q

Red bone marrow makes

A

Blood cells

53
Q

Yellow bone marrow is

A

Inactive

54
Q

What is the vertebrae seperated by

A

Discs of cartiglage

55
Q

Three types of ribs

A

True false floating

56
Q

Yellow bone marrow stores

A

Fat

57
Q

Osteoarthritis

A

Wear and tear of the bone

58
Q

Osteoclasts

A

Digest bone

59
Q

Osteoblasts

A

Create/ build bone and deposit it on the outside of the bone

60
Q

Cause of wear and tear of bone

A

Joints wearing faster than can be replaced

Biology - 6th Year (21 decks)

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