science final

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Health

7th

443 Terms

1
axial
The skull, spinal column, sternum, and ribs make up the \______ skeleton.
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2
appendicular
The pectoral girdle, pelvis, upper and lower limbs make up the \______ skeleton.
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3
compact bone
dense, hard outer layer of bone
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4
spongy bone
semirigid, porous (many holes) part of interior or bone, less dense than compact bone
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5
epiphysis
end of a long bone
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6
diaphysis
main (mid) section of a long bone
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7
periosteum
membrane that surrounds bone, blood vessels and nerves
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8
red bone marrow
forms red blood cells, white blood cells, and platelets
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9
red
\______ bone marrow is found in infants bone cavity and the flat bones of adults.
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10
yellow
\______ bone marrow replaces red bone marrow in adult bones
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11
yellow
\______ bone marrow stores fat tissue, doesn't form blood cells, and can turn into red bone marrow when body is ill.
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12
synarthroses
\______ joints \= immovable joints (e.g. Skull)
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13
amphiarthroses
\______ joints \= slightly movable joints (e.g. Spine)
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14
diarthroses
\______ joints \= freely movable joints (e.g. elbow)
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15
ligaments, tendons
\______ are tissue that connects bone to bone, \______ are tissue that connects muscle to bone
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16
synovial fluid
lubricating, nourishing joint fluid
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17
voluntary
muscle you can control
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18
involuntary
muscle you can't control
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19
smooth muscle
involuntary, muscle tissue found in internal organs
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20
cardiac muscle
involuntary, heart muscle tissue
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21
skeletal muscle
voluntary, striated (striped), moves bones, attached to bones by tendons
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22
skeletal
\______ muscle "works in pairs" as when a one muscle is lengthened the other becomes shorter and thicker.
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23
640
There are \__ skeletal muscles.
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24
smooth
There are a countless amount of \______ muscles.
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25
anatomy
the parts of the body
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26
physiology
how body parts function
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27
bones, muscles, joints
What are the three parts of the musculoskeletal system?
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28
protect, support, produce, store
Our bones \______ soft tissue and internal organs, \______ the body, \______ blood cells, and \______ minerals like calcium and magnesium.
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29
80
How many bones are in the axial skeleton?
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30
axial
The \______ skeleton protects vital organs and supports the body
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31
appendicular
The \______ skeleton is located on the upper and lower extremities (limbs), pectoral girdle, pelvis (which both anchor arms, legs, and head to axial skeleton) append \= add on to
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32
bones
The five functions of \______ are to protect, support, move, produce, store (please save my poor sister).
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33
cavity
an opening
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34
viscous
thick, slow moving (like syrup)
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35
shape
Are diarthroses joints named for shape, or function?
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36
40
Muscles account for __% of your body weight.
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37
muscles
tissues that contract for mechanical work
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38
fibrous
many fibers
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39
contract
Muscles \______ to stand, move, digest, remove waste, maintain normal temperature (98.6), shover producing heat, hot blood kept in center
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40
skeleton
Muscles hold the \______ together.
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41
before
Bones begin forming \______ you're born.
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42
cartilage
\______ is replaced by collagen, calcium phosphate, and calcium carbonate (three parts of non-living bone).
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43
ossification
bone formation (while we sleep)
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44
20
Ossification takes \__ years.
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45
remodeling
replacing old bone cells with new ones (bones continue to grow throughout life
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46
yes
Are bones alive?
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47
energy
What do muscles use ATP for?
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48
energy
ATP is the source of \______ for cells.
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49
glucose
ATP (C₆H₁₂O₆)\=
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50
nervous system
continuously sends and receives messages from your body in order to manage critical functions
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51
brain, spinal cord, nerves
three parts of the nervous system
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52
brain
receives sensory input from spinal cord and nerve cells, controls functions
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53
spinal cord
provides sensory information to the brain
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54
nerves
bundles of nerve cells, or neurons that transmit impulses (messages) from your body to brain and from your brain to cells of body
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55
brain
organizes and processes information for your body
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56
brain
The \______ is responsible for memory and coordination.
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57
cerebrum, cerebellum, brain stem
three parts of the brain
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58
cerebrum
What is the largest part of the brain?
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59
cerebrum
The \_______ allows memory, comprehension, and emotion.
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60
right, left
In the cerebrum, the left side of the brain controls the \______ side of the body, right controls the \______.
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61
frontal, parietal, temporal, occipital
What are the four lobes of the brain?
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62
frontal lobe
controls motor and high order functions
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63
parietal lobe
visual perception, comprehension (pain, touch, temperature)
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64
temporal lobe
emotion, speech, hearing
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65
occipital lobe
vision, colors
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66
cerebellum
moves muscles, receives info from cerebrum
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67
muscle memory
What term is associated with the cerebellum?
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68
brain stem
controls breathing, digesting food, circulating blood, and involuntary muscles
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69
4
How many regions of the brain stem?
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70
between brain hemispheres
Where are the diencephalons?
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71
thalamus, thalamus
The diencephalons contain both the hypo\______ and \______.
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72
below
hypo\=
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73
thalamus
relay center for sensory impulse (excluding smell)
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74
hypothalamus
regulates sleep, hunger, thirst, body temperature, pressure, homeostasis
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75
midbrain
located below diencephalons, joins cerebrum and spinal cord, relays signals between spinal cord and cerebrum and cerebrum and cerebellum
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76
pons
below midbrain, joins cerebellum with cerebrum and left and right hemispheres, sends info between hemispheres and between cerebrum and cerebellum
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77
medulla oblongata
SPINAL CORD!, controls heartbeat, breathing, and blood pressure
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78
below
The pituitary gland is located \______ the hypothalamus.
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79
spinal cord
The \______ \______ connects the brain and PNS.
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80
31
How many pairs of spinal nerves are there?
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81
Ascending Nerve Tract
carries information from body's muscles to the brain
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82
Descending Nerve Tract
carries information from the brain to the body's muscles
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83
spinal cord
What does cerebrospinal fluid bathe?
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84
fibers, neurons
Nerves are made up of nerve \______ and bundles of \______.
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85
neurons
specialized cells that send and receive messages (nerve impulses)
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86
nucleus
controls cell and produces messages sent to the CNS
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87
dendrites
receives impulses and sends them to cell body
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88
axons
transmit impulses away from cell body
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89
synaptic terminal
transmits impulses other neurons or muscle glands
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90
synapse
between two neurons, between neuron and muscle
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91
axon
tail\=
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92
terminal
end of tail\=
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93
motor neuron
activates muscles and glands
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94
sensory neuron
detects environment
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95
interneuron
connects everything
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96
NO
Does the brain ever rest?
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97
7
How many discrete items can the average brain hold at once?
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98
nerves
What is included in the peripheral nervous system (PNS)?
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99
brain, spinal cord
What is included in the central nervous system (CNS)
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sensory impulses
messages taken in by the body that inform the nervous system about what's going on both inside and outside the body
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