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pd/h/pe > The Body in Motion > Flashcards

The Body in Motion Flashcards

1
Q

skeletal system- function

A
  • support
  • protection
  • assist in movement
  • manufacturing of blood cells
  • storehouse for calcium and phosphorus
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2
Q

joint actions- flexation

A

bending of knee or elbow

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3
Q

joint actions- extension

A

straightening of the knee or elbow

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4
Q

joint actions- abduction

A

lifting of the arm from the side

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5
Q

joint actions- adduction

A

lowering of the arm to the side

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6
Q

joint actions- circumduction

A

drawing a circle in the air with a straight arm

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7
Q

joint actions- rotation

A

turning head

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8
Q

joint actions- pronation

A

palm facing down

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9
Q

joint actions- supination

A

palm facing up

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10
Q

joint actions- eversion

A

twisting ankle out

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11
Q

joint actions- inversion

A

twisting ankle in

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12
Q

joint actions- dorsiflexion

A

raising toes upwards

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13
Q

joint actions- plantar flexion

A

point toes down

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14
Q

joint actions- elevation

A

shrugging shoulders up

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15
Q

joint actions- depression

A

returning shoulders to the resting position after shrugging shoulders

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16
Q

what are ligaments?

A

designed to maintain stability and restrain joint movement. they connect bones together using well-defined, fibrous bands.

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17
Q

what are tendons?

A

they are tough, inelastic cords of tissue that connect muscle to bone.

18
Q

what is synovial fluid?

A

acts as a lubricant and forms a cushion.

19
Q

what is hyaline cartilage?

A

forms a cushion and absorbs shock.

20
Q

function of muscular system

A

-enables movement

21
Q

what is the origin of a muscle?

A

where it begins

22
Q

what is the insertion of a muscle

A

where it ends

23
Q

what is the antagonist muscle?

A

the muscle which relax

24
Q

what is the agonist muscle?

A

the muscle which contracts

25
Q

what is a concentric contraction?

A

the muscle contracts and shortens

26
Q

what is a eccentric contraction?

A

the muscle lengthens under tension.

27
Q

what is a isometric contraction?

A

the muscle contracts but the limb cant move because of apposing force.

28
Q

function of the respiratory system

A

to provide cells which resources necessary for their survival.

29
Q

what occurs during inspiration?

A
  • air is drawn in
  • lungs expand
  • ribs move up and out
  • diaphragm contracts
  • intercostal muscle contract.
30
Q

what occurs during expiration?

A
  • air is forced out
  • lungs relax
  • ribs move down and in
  • diaphragm relaxes
  • intercostal muscles relax
31
Q

how much oxygen is inhaled?

A

20.93%

32
Q

how much oxygen is exhaled?

A

16.4%

33
Q

how much CO2 is inhaled?

A

0.03%

34
Q

how much CO2 is exhaled?

A

4.1%

35
Q

how much nitrogen is inhaled?

A

79.04%

36
Q

how much nitrogen is exhaled?

A

79.5%

37
Q

how does oxygen travel from the capillaries to the alveolus?

A

diffusion. oxygen moves from the air in the lungs with high O2 levels to the capillaries in the alveoli which has low O2 levels.

38
Q

what is the function of circulatory system?

A

to supply cells with resources and transport blood around the body.

39
Q

how much plasma is in blood?

A

55% of blood is plasma

40
Q

what is the percentage of red blood cells in the blood?

A

45% of the blood consists of red blood cells

41
Q

what is the structure and function of the heart?

A

keeps the blood circulating throughout their body. the four chambers contract, forcing blood through the arteries and around the body.

42
Q

what is the structure and function of veins.

A

veins carry deoxygenated blood from the body back to the heart. they have a strong, muscular wall to withstand the high pressure caused by the contraction of the heart.

pd/h/pe (2 decks)

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