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biology > Nervous > Flashcards

Nervous Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

conduction of signals from sensory receptors

A

Sensory input

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2
Q

changes in environment that cause you to respond

A

Stimuli

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3
Q

analysisandinterpretation of the sensory signals and the formulation of appropriate responses.

A

Itergration

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4
Q

conduction of signals from the integration centers to effector cells, which perform the body’s responses

A

Motor output

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5
Q

makes up the nerve tissue

A

Neuron Cell & Glial Cell

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6
Q

The basic unit of communication of the NS

A

Neuron

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7
Q

Contains the nucleus

A

Soma or Cellbody

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8
Q

receives impulses

A

Dendrite

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9
Q

relays impulses

A

Axon

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10
Q

Receivesstimulifromsenseorgans Relay impulses from senses to spinal cord and to brain

A

Sensory neuron

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11
Q

Afferent neuron)

A

Sensory neuron

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12
Q

Connector neuron)

A

Interneuron

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13
Q

enable communication between
sensory and motor neuron.

A

Interneuron

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14
Q

Stimulates the reaction of the effector
cells to generate reaction.

A

Motor neuron

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15
Q

Efferent Neuron)

A

Motor

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16
Q

series of electrical signals that is generated in the nerve cells in a response to stimuli.

A

Nerve impulse

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17
Q

Flow of cell body, axon, dendrite

A

DendriteCell BodyAxon

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18
Q

Neurons communicate with one another through junction called

A

Synapse

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19
Q

nerve pathway followed by a reflex or automatic responses to stimuli

A

Reflex arc

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20
Q

The reflex arc consists of these five steps in order-

A

sensor, sensory neuron, control center, motor neuron, and muscle

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21
Q

A reflex that does not involve the brain is called a

A

Speinal reflex

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22
Q

Supports, protects neuron cells and performs regulatory functions.

A

Glical cells

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23
Q

Star-shaped glial cell; physical support; provide nutrients.

A

• Astrocytes

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24
Q

forms myelin sheath of the neuron in the CNS, the electrical insulator

A

Oligonderocytes

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25
Q

forms myelin sheath in PNS

A

Schwann

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26
Q

Ciliated cells that produce Cerebrospinal Fluid (CSF) of
the brain, a fluid that makes the brain float that serves a cushion.

A

Ependymal cells

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27
Q

a fluid that makes the brain float that serves a cushion.

A

Cerebrospinal Fluid

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28
Q

Phagocytic cells that ingest and digest cell debris and bacterial

A

Microglia

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29
Q

neural support of the PNS

A

Satellite

30
Q

cns

A

Astrocytes, ependymal,oligodrocytes, microglia

31
Q

PNS

A

Satellite, shwann

32
Q

Thought pricess

A

Central NS

33
Q

Nerves

A

Peripheral NS

34
Q

Nerves in pns

A

Crainial, peripheral

35
Q

Skeletal

A

Somatic

36
Q

Smooth & cardiac muscle

A

Autonomic

37
Q

speeds up bodily responses during emergency, Heart rate and respiration

A

Sympathetic

38
Q

slows down metabolic activities

A

Parastmpathetic

39
Q

Fight or Flight

A

Autonomic

40
Q

Three (3) layers of membranes that cover and protect your brain and spinal cord

A

MENINGES

41
Q

tough, outer layer

A

Durameter

42
Q

middle layer,
composed of thin fibers

A

Arachnoid

43
Q

innermost layer

A

Piq meter

44
Q

Colorless fluid
• Act as the cushion for the
brain
• Removes waste and helps the brain to function normally

A

Cerebrospinal Fluid

45
Q

consist of cell body.
- Nerve cells lack myelin sheath

A

Gray matter

46
Q

Composed of axons and glial cells
- Color white because of myelin sheath

A

Whitematte

47
Q

largestpart

A

Sere Cerebrum

48
Q

Massofnervefibers

A

Cerebrum

49
Q

consciousness,memory, voluntary actions, thinking and intelligence

A

Cerebrum

50
Q

Right and left hemispheres

A

Cerebrum

51
Q

Connection and communication of the left and right hemispheres

A

Crebrum

52
Q

personality, judgment and self-control

A

Frontal

53
Q

Sense of touch

A

Parietal

54
Q

Sight

A

Occipital

55
Q

hearing, taste and smell

A

Temporal

56
Q

control balance and coordinate skeletal muscles movement

A

Cerebellum

57
Q

Relays signal between brain and spinal cord
Center for respiration - controls breathing rate, heart rate, blood pressure

A

Medulla oblongata

58
Q

relays signal between cerebrum and cerebellum

A

Pons

59
Q

Eye movement and pupil dilation
- center for auditory and visual reflexes.

A

Midbrain

60
Q

Part of the brain involved in our behavioral and emotional responses

A

Limbic system

61
Q

acts like a switch board; routing signals to cerebrum for interpretation.

A

Thalamus

62
Q

Homeostatic control center
- control autonomic system (cardiac and smooth muscles)
- Release of hormones, sleep-wake cycle, appetite

A

Hypothalamus

63
Q

Plays major role in learning and
memory
- factual memory storage

A

Hippocampus

64
Q

generateandprocess emotion and memories

A

Amygdala

65
Q

internal blockage or rupture of the
blood vessels in brain

A

oStroke

66
Q

period of paralysis of CNS followed by period of unconsciousness due to the bumps and knocks to the head

A

oConcussion

67
Q

loss of memory

A

oAmnesia

68
Q

lockjaw cause by bacteria

A

oTetanus

69
Q

nerve loss resulting to loss of memory

A

oDementia

70
Q

forgetfulness, loss of coordination, repetition of word and gesture

A

Azhimer

71
Q

neurons malfunction; repeated relay of impulses.

A

Epilepsy

biology (35 decks)

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