Nugaros Smwgenys Flashcards

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1
Q

Is galvos iseina 12poru nervu, o is nugaros 31 pora

A

8 kakliniai
12 krutininiu
5 juosmeniniai
5 keyzmeniniai
1 uodegiklio

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2
Q

Refleksas

A

Organizmo atsakas i dirginima

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3
Q

Reflekso lankas

A

Kelias kuri nueina nervinis impulsas, reflekso metu

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4
Q

Dalys

A

Receptorius, juntamasis neuronas, centrine nervu sistema, judinamasia neuronas, raumuo

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5
Q

Smegenis nuo aplinkos smugiu apsaugo

A

Kaukole, stuburas ir dangalai:
Kietasis, voratinklinis, svelnusis

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6
Q

Nervu rusys

A

Juntamieji- sudaro juntamieji neuronai dendritai, atnesa signalus is ivairiu receptoriu

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7
Q

Judinamieji

A

Sudaryti is judinamuuju neuronu aksonu, persuoda impulsus i raumenis ar liaukas

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8
Q

Misrieji

A

Turi juntamuju ir judinamuju neuronu skaidulu, impulsai jais skilnda 2 kryptimis, i centrine nervu sistema ir is jos

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9
Q

Periferine nervu sistema skirstoma i 2 dalis

A

Somatine- inervuoja griauciu skersaruozius raumenis, judesiai valingi
Vegetacine- inervuoja vidaus organus. Judesiai nevalingi

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10
Q

Simpatine

A

Aktyvina organu darba

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11
Q

Parasimpatine

A

Atpalaiduoja

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