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biology 1 pre AP > body systems, stem, homeostasis test 3 > Flashcards

body systems, stem, homeostasis test 3 Flashcards

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1
Q

what is a stem cell

A

an undiffreintiated cell that can become specialized

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2
Q

what is a stem cell niche

A

an environment around the stem cell that protects it, grows it and keeps it form diffrenciating

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3
Q

what happens if a niche doesn’t function properly

A

the stem cell either dies or diffrentiates

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4
Q

what can a brain stem cell niche become

A

neurons or glial cells

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5
Q

what is a main place stem cells are fund

A

bone marrow

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6
Q

what cells come from the bone marrow

A

white blood cells, red blood cells, platelets

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7
Q

what cells come form a hair follicle cell niche

A

hair follicle cell, skin cell, oil gland cell,

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8
Q

what are embryonic stem cells

A

stem cells formed as a normal part of embryonic developpment

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9
Q

what cells can be made from embryonic stem cells

A

any body cell

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10
Q

how are IPS cells made

A

artificially by reprogramming a patients own cells

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11
Q

therapeutic cloning

A

transferring the nucleus (DNA) from a body cell to an unfertilized egg

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12
Q

what is cell diffrientation

A

a stem cell becoming specialized

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13
Q

what are the 11 body systems

A

respiratory, reproductive, nervous, circulatory/cardiovascular, excretory, integumentary, endocrine, muscular, skeletal, immune, digestive

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14
Q

function of the respiratory system

A

inhale oxygen and get rid of CO2

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15
Q

what pumps air in respiratory system

A

the lungs

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16
Q

main organs of the respiratory system

A

trachea, mouth, lungs, nose

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17
Q

function of the reproductive system

A

to produce gametes, fertiliztion and carrying child until childbirth

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18
Q

main female reproductive organs

A

cervix, uterus, fallopian tubes, ovaries

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19
Q

main male reproductive organs

A

testes, penis, scrotum

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20
Q

what systems need to work together so that the mother can carry her child

A

reprodctive and endocrine

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21
Q

what is the function of the nervous system

A

to send and receive signals from the brain .

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22
Q

main components of the nervous system

A

neurons, spinal cord, hypothalamus, brain

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23
Q

function of the circulatory/ cardiovascular system

A

pump blood to transport oxygen, gases, hormones and heat round the body

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24
Q

main parts of circulatory/cardiovascular system

A

heart, blood vessels

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25
Q

what is the function of the excretory system

A

filtration and eliminatig LIQUID waste

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26
Q

does the excretory system eliminte solid waset

A

no thats digestive system

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27
Q

most important organ in the excretory system

A

kidneys

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28
Q

major structure in excretory system

A

bladder, urethra, kidneys

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29
Q

what is the function the integumentary

A

to protect the internal orgnas, and be a line of defense against infection

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30
Q

3 things that make up integumentary system

A

hair, skin, nail

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31
Q

what other important thing does the integumentary system do

A

warm and cool body

32
Q

function of endocrine system

A

chemical communication throuogh hormones .

33
Q

what major things does the endocrine system control ad regulate

A

body temp, metabolism, development, reproduction, other organ systems

34
Q

main structure of the endocrine system

A

hypothalamus, pituary gland, pancreas, pineal gland, adrenal glands, thyroid, parathyroid, testes, ovaries

35
Q

2 structure of endocrine system also in other systems

A

the hypothalamus in nervous, the pancreas in digestive

36
Q

what is the function of the muscular system

A

allow movement of the body

37
Q

what are the three main types of muscle tissue

A

smooth, cardiac, skeltal

38
Q

what is the function of the skeltal system

A

shape structure, and protect organs

39
Q

what do platelets do

A

stop bleeding by clotting

40
Q

what is the function of the immune system

A

to defend against pathogens or diseases

41
Q

what are the main parts of the immune system

A

white blood cells, skin .

42
Q

what is the function of the digestive system

A

break down food for ATP, absorb nutrients and eliminate solid waste

43
Q

main parts of the digestive system

A

moith, esophagus, stomach, liver, small and large intestine, anus, pancreas

44
Q

which body systems are your line of defense against disease

A

integumentary and immune

45
Q

which body systems help you react to a threat or scare .

A

endocrine, nervous, muscular

46
Q

which body systems maintain body heat and temp

A

endocrine, nervous, integumentary

47
Q

what systems heal you after a cut

A

integumentary , immune

48
Q

two types of plants

A

vascular and non-vascular

49
Q

non-vascular mean

A

no stem

50
Q

vascular means

A

yes stem

51
Q

how do seedless vascular plants reproduce

A

spores

52
Q

what are gymnosperms

A

plants that produce sexually with cones

53
Q

what are angiosperms

A

plants that reproduce witha flower and fruit

54
Q

what is the function of the stem

A

to support plant and transport materials

55
Q

what human system is the stem liek

A

circulatory

56
Q

what does the xylem do?

A

transport water and minerals

57
Q

what does pholoem do

A

transport sugar

58
Q

what is the function of roots inplants

A

store food, anchor plant, supply and absorb wate rand minerals

59
Q

what human is system are roots like

A

digestive system

60
Q

what is the funtion of the leaf .

A

photosynthesis

61
Q

what is the reproductive system of angiosperm plants

A

the flower

62
Q

what is he function of the petals

A

to attract birds, insects for pollination

63
Q

what is the male angiosperm reproductive organ

A

the stamen

64
Q

what are the parts of the stamen

A

filament- stem,,, and the anther- the top part where pollen is

65
Q

what is the female plant reproductive organ

A

the pistil

66
Q

parts o the pistil

A

stigma- the top part, style- the tube, ovary at the bottom

67
Q

what is inside ovary

A

ovule

68
Q

what does ovary become when fertilzed

A

a fruit

69
Q

what is a negative feedback loop

A

trying to keep a target poit constant

70
Q

whihc type of loop helps maintain homeostais

A

negative

71
Q

examples of negative feedback loops

A

body temp, glucose levels

72
Q

what happens when glucose levels get too high

A

insulin

73
Q

what happens when glucose levels get too low

A

glucagon

74
Q

what is a positive feedback loop

A

intensifying, accumilating or accelerating something

75
Q

examples of postive feedback loops

A

fruit ripening, childbirth

biology 1 pre AP (10 decks)

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