Body framework + repoduction Flashcards

(78 cards)

1
Q

The bones which support the bones of the arms

A

pectoral girdle

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2
Q

The bones which support the bones of the legs

A

pelvic girdle

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3
Q

What are the primary functions of the skeletal system.

A

protection
movement
production of blood cells
support

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4
Q

The pectoral girdle includes the

A

clavicles
scapulae

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5
Q

Are bones of the skull fused together at birth?

A

no

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6
Q

The mandible is the:

A

jaw

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7
Q

function(s) of the sternum is(are) to:

A

protect the heart
connect the ribs

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8
Q

The bones that enclose the spinal cord are called the

A

vertebrae

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9
Q

How many long bones are in each arm?

A

3

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10
Q

The upper arm bone is the:

A

humerus

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11
Q

The two bones of the lower arm are:

A

radius
ulna

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12
Q

The long bone of the upper leg is the _____.

A

femur

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13
Q

The two lower leg bones are called the _____ and the _____.

A

fibula
tibia

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14
Q

The patella is a bone associated with the:

A

knee

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15
Q

Which of the following bones are part of the axial skeleton?

A

ribs
cranium
cervical vertebra

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16
Q

Inflammation of the lubricating sacs of the joints is called

A

bursitis

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17
Q

A disease which can cause inflammation, stiffness, and disfigurement of the joints is called

A

arthritis

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18
Q

Straps of connective tissue which holds bones together at the joints are:

A

ligaments

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19
Q

Match the units associated with a bone.

central hollow shaft

A

marrow cavity

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20
Q

Match the units associated with a bone.

fat cells

A

yellow marrow

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21
Q

Match the units associated with a bone.

protective covering

A

periosteum

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22
Q

Match the units associated with a bone.

makes blood cells

A

red marrow

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23
Q

The production of blood cells is associated with:

A

red marrow

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24
Q

The two primary substances associated with healthy bones are

A

vitamin D
Calcium

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25
The passageways which permit blood to circulate through bones are
Haversian canals
26
the parts of the body which incorporate cartilage.
ears nose larynx trachea
27
The most forward two teeth on the upper or lower mouth are:
incisors
28
third molar at the back of the mouth is called
wisdom tooth
29
The portion of a tooth that gives you pain when the dentist drills your teeth is called the
pulp cavity
30
The nerve fibers and blood vessels of a tooth are located in the:
pulp cavity
31
Tooth cavities are caused by
sugar gum disease acid bacteria
32
The connective tissue attaching the calf muscles to the heel
Achilles tendon
33
The wasting away of tissue.
atrophy
34
The wasting away of tissue.
atrophy
35
A muscle that straightens a joint
extensor
36
A muscle that bends a joint
flexor
37
The attachment of a muscle to the more movable bone
insertion
38
The attachment of a muscle to the less movable bone
origin
39
tiny protein-based threads contained in each muscle fiber
myofibril
40
Myofibrils contain two different proteins known as _____ and _____.
actin myosin
41
Unused muscles deteriorate at a rate of about
1% a day
42
Bone to bone
ligament
43
Muscle to muscle
tendon
44
skeletal type which operates to straighten a joint is called a
extensor
45
the type which bends a joint
flexor
46
A condition of the muscles whereby they become weak from disuse is calle
atrophy
47
The condition of paralysis is usually attributed to:
malfunction of the nervous system
48
Muscular dystrophy is associated with:
degeneration of muscle cells
49
Reproduction not involving the fusion of gametes
asexual reproduction
50
A gland in the male reproductive system
Cowper's gland
51
Segments of the DNA molecule which contain the genes for the traits
chromosome
52
A narrow coiled structure attached to the testis which stores sperm
epididymis
53
One of the tubes taking the egg from the ovary to the uterus
Fallopian tube
54
A long whiplike structure used in movement
flagellum
55
A reproductive cell which fuses to give rise to a zygote
gamete
56
The process of dividing the chromosome number in half
meiosis
57
The female gonad which produces the eggs and some sex hormones
ovary
58
What is the scientific name for the woman's egg
ovum
59
A gland in the male reproductive system
prostate gland
60
An organ that produces proteins which are added to the sperm
seminal vesicle
61
Reproduction involving the fusion of gametes as egg and sperm
sexual reproduction
62
A sperm cell or male gamete
spermatozoon
63
The male gonad which produces sperm
testes
64
The organ which contains the fetus during pregnancy
uterus
65
A fertilized egg, containing all the DNA of a unique individual
zygote
66
mature ovum must travel through the what order to reach the uterus.
Fallopian tube
67
the thickened wall of the uteru
endometrium
68
The lower opening of the uterus within the vagina is called the
cervix
69
The periodic disintegration and replacement of the endometrium is called the menstrual cycle and occurs once every
28 days
70
What regulates the menstrual cycle
hormones
71
The sperm cell travels to the ovum by the motion of the
flagellum
72
The subunit (organelle) of the sperm which supplies the energy for motion is:
the mitochondria
73
Each gamete contains:
1/2 of each parent's chromosomes
74
The process of chromosome reduction occurs:
by meiosis
75
The sperm are produced regularly in the
seminiferous tubules
76
The male gametes are stored in coiled tubes called the _____.
epididymis
77
Which glands secrete the protein fluids which are constituents of semen?
seminal vesicles prostate Cowper's gland
78
Life begins at
fertilization (also known as conception)