the skeleton and muscles Flashcards

(74 cards)

1
Q

what is the function of the skeleton?

A

support
protection
movement
shape
manufacture of blood components

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2
Q

what makes red blood cells, white blood cells and platelets?

A

red bone marrow

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3
Q

spilt the skeleton

A

axial and appendicular

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4
Q

axial skeleton

A

skull
spine
ribs
sternum

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5
Q

appendicular skeleton

A

limbs
pectoral girdle
pelvic girdle

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6
Q

how many bones are in the spine

A

33

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7
Q

what are the bones called in the spine

A

vertebrae

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8
Q

pectoral girdle

A

clavicle
scapula

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9
Q

what are the regions of the spine in order?

A

cervical
thoracic
lumbar
sacrum
coccyx

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10
Q

how many regions in the spine?

A

5 regions

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11
Q

what are the top 24 vertebrae held by

A

ligaments

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12
Q

what are the ligaments separated by

A

discs of cartilage

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13
Q

what are discs

A

hard outer layer and soft-jelly like liquid

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14
Q

the function of discs of cartilage

A

shock absorber

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15
Q

how many are fused together

A

last nine vertebraes

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16
Q

vertebra contains

A

meninges
neural spine
transverse process
centrum
neural canal
facet

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17
Q

meninges

A

membranes lining the spinal cord

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18
Q

neural spine

A

muscular attachment

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19
Q

transverse process

A

muscular attachment

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20
Q

centrum

A

strength

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21
Q

neural canal

A

contains the spinal cord

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22
Q

facet

A

point of contact and movement with next vetebra

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23
Q

arm names

A

humerus
radius
ulna
carpal
metacarpal
phalange

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24
Q

leg names

A

femur
patella
tibia
fibula
tarsal
metatarsal
phalange

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25
joint
two or more bones meet
26
how are joints classified
degree of movement they allow
27
immovable
fixed or fused
28
immovable joints examples
skull and pelvic girdel
29
whats junctions between two fused bones called
suture
30
what do the immovable joints provide
strength support protection
31
slightly movable joints
between vertebrae in the upper spinal column
32
what are the bones separated by in the joints between vertebrae in the upper spinal column?
pads of cartilage
33
what do ligaments do to joints?
limit amount of movement possible in order to protect the nerves of the spinal cord
34
freely movable
synovial
35
synovial joints
ends of bones covered with cartilage and bones are separated by cavity
36
ligaments
strong fibrous, slightly elastic tissues that connect bone to bone
37
tendons
strong flexible inelastic fibres that connect muscle to bone
38
when are ligaments more flexible
when warms (need for warming up exercise before physical activities to prevent ligaments from being damaged)
39
what are tendons mostly composed of
collagen and contain some blood vessels
40
what musculoskeletal disorder did you study?
arthritis
41
cause of arthritis
skeletal disorder resulting from inflammation (swelling) of a joint
42
how many types of arthritis are there?
over 100 hundred types
43
most common type of arthritis
osteroarthritis
44
when does osteoarthritis occur
from 50 yrs and onwards
45
what is osteoarthritis caused by?
cartilage in the synodical joints
46
why do underlying bones do this?
enlarge and more synovial fluid forms
47
what happens to the joints
become stiff and sore
48
how many people does osteoarthritis affect?
half a million people in irleand
49
most severe arthritis?
rheumatoid
50
how is rheumatoid caused
genetically by the body's immune system turning on itself
51
what attacked first in rheumatoid
synovial membranes
52
what happens to joints
swells and in time may become damaged and deformed
53
how is arthritis prevented
reducing damage to joints use proper footwear avoid running on hard surfaces exercise by swimming an walking instead of running
54
treatment of arthritis
no cure rest exercises to maintain mobility an strength weight loss anti-inflammatory medications steroids drugs to reduce immune response surgery to replace the joint
55
the three types of muscles
skeletal smooth cardiac
56
skeletal muscle
striated striped voluntary
57
how many skeletal muscles are in the body
over 600 makeup 50 percent body weight
58
what are skeletal muscles do
body movements contract quickly tires
59
smooth muscle
unstriped involuntary
60
where is smooth muscle found?
digestive system blood vessels bladder uterus contracts slowly and slow to tire under involuntary or unconscious control
61
cardiac muscle
heart involuntary not under concious vontrol many mitochonra contracts strong and does not easily tire
62
what is muscle contraction
active process and requires energy in the form of ATP
63
how are muscles connected to bones
by tendons
64
antagonistic pair
two muscles that have to opposite effects to each other
65
3 types of muscles
smooth skeletal cardiac
66
antagonistic pair
two muscles that have opposite effects to each other
67
example of a antagonistic pair
the biceps is a flexor triceps extensor
68
flexor
closes the joint
69
extensor
opens the joint
70
examples of synovial joints
ball and socket joints hinge joints
71
ball and socket joints
shoulder and hip
72
hinge joints
elbow and knee
73
skeletal muscles concerned with?
body movements contract but tires easily under voluntary or unconscious control
74
what do the ribs protect?
the internal organs