nervous system Flashcards by Ishvariyy Unknown | Brainscape

Q

it collects data

A

sensory input

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Q

it collects data

A

sensory input

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Q

process the sensory information

A

integration

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Q

process the sensory information

A

integration

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Q

Brain to spinal cord

A

SENSORY INPUT

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Q

maintains stable environment

A

homostasis

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Q

maintains stable environment

A

homostasis

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Q

Commands the mucles

A

Motor output

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Q

Commands the mucles

A

Motor output

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Q

enables thought and emotions

A

mental activity

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Q

enables thought and emotions

A

mental activity

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Q

brain and spinal (receives info)

A

CNS

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Q

Send the information

A

PNS PERIPHERAL

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Q

gathers data ( conduct impulse)

A

sensory afferent

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Q

transmit signal

A

motor efferent

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Q

fight or flight

A

autonomiv nervous system

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Q

netwrok to digestive tract

A

enteric nervous system

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Q

conduct impulse for communication

A

neurons

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Q

control center of neurons

A

soma

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Q

antena of neurons

A

dendrites

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Q

transmitter of neurons

A

axon

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Q

junction where signals are passed

A

synapse

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Q

neuron types: has many dendrites

A

multipolar

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Q

neuron types: has one dendrites and one axon

A

Bipolar

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Q

neuron types: has one dendrites and one axon

A

Bipolar

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Q

neuron types: single projection that divides into 2 branches

A

pseudo unipolar

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Q

forms blood brain(star like)

A

astrocytes

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Q

forms blood brain(star like)

A

astrocytes

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Q

produces myelin, electrical like

A

obligodendrocytes

Q

acts as immmune cell( defender)

A

microglia

Q

forms myelin( boost)

A

schwann cell

Q

regulates ganglia environment( support neuron)

A

satellite cell

Q

enhance transmission speed of impulse

A

myelin sheats

Q

gaps is myeline

A

nodes of ranvier

Q

resting membrane potentian

A

70mV

Q

potential becomes positive

A

depolarization

Q

restoring negative charge

A

repolization

Q

transmit info and controld reflect action

A

spinal cord

Q

cross section of spinal: centrally located

A

gray matter

Q

cross section of spinal: myelinated axons

A

white matter

Q

cross section of spinal: for sensory

A

dorsal

Q

cross section of spinal: roots emerged spinal nerves

A

ventral motor

Q

contains both sensory and motor fibers

A

spinal nerves

Q

facilitates control over lower limbs

A

caudia equina

Q

4 main region of brain

A

brain stem, cerebellum, diencephalon, cerebrum

Q

the base of the brain that connects to spinal cord

A

brain stem

Q

responsible for reflex action

A

medulla oblongta

Q

contains nerve tracts running longitudinal and transversely(bridge)

A

pons

Q

smallest region of the brain stem

A

mid brain

Q

balance and coordinate the brain stem

A

cerebellum structure

Q

increases surface area

A

folia

Q

enclosed by the cerebrum

A

diencephalon

Q

form lateral walls (egg shape)

A

thalamus

Q

form lateral walls (egg shape)

A

thalamus

Q

housing the pineal gland

A

epithalamus

Q

floor of third ventricle

A

hypothalmus

Q

largest brain region

A

cerebrum

Q

rich in neuron cell bodies

A

cerebra cortex

Q

surface: elevated ridges

A

gyri

Q

surface:shallow groves

A

sulci

Q

surface:shallow groves

A

sulci

Q

deeper groves

A

fissure

Q

deeper groves

A

fissure

Q

a recording device that records brain activity

A

EEG

Q

broca’s

A

responsible for producing speech

Q

broca’s

A

responsible for producing speech

Q

wernickek’s

A

understanding speech

Q

delta

A

sleep

Q

theta

A

frustration

Q

alpha

A

calm and relax

Q

beta

A

intense activity

Q

gamma

A

recall and understanding