živčani sustav
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Okoliš spoznajemo osjetilima.
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Osjetila stalno šalju priopćenja u mozak
• MOZAK SE NALAZI U LUBANJI I UPRAVLJA CIJELIM TIJELOM.
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NA MOZAK SE NASTAVLJA LEĐNA MOŽDINA KOJA PROLAZI KROZ KRALJEŽNICU.
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• ŽIVCI ULAZE U SVE DIJELOVE TIJELA.
• MOZAK, LEĐNA MOŽDINA I ŽIVCI ČINE ŽIVČANI SUSTAV
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• Živčani sustav je sastavljen od dvije vrste stanica - neurona i glija stanica
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Živčani sustav mreža je specijaliziranih stanica koje šalju,
prenose ili primaju informacije.
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ZAHVALJUJUĆI MOZGU:
• PAMTIMO• MISLIMO• RADIMO• DOŽIVLJAVAMO SVIJET OKO SEBE
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U MOZGU NASTAJU OSJEĆAJI
• TUGA• VESELJE• LJUBAV• SREĆA
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MOZAK UPRAVLJA TIJELOM
• DAJE NAREDBE RUKAMA I NOGAMA• MOZAK UPRAVLJA GOVOROM• U MOZGU NASTAJU ZAMISLI I IDEJE
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ŽIVČANI SUSTAV TREBA RAZVIJATI
• TREBA MNOGO ČITATI• UČITI• RAZMIŠLJATI• TREBAMO SE ZDRAVO HRANITI• I DOVOLJNO ODMARATI
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PAŽNJA!
• PUŠENJE, ALKOHOL I DROGA ŠTETE ŽIVČANOM SUSTAVU!
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PITANJA ZA PONAVLJANJE
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1. GDJE SE NALAZI MOZAK I KOJA JE NJEGOVA FUNKCIJA?
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ODGOVOR:
• MOZAK SE NALAZI U LUBANJI I UPRAVLJA CIJELIM TIJELOM
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2. ŠTA SE NASTAVLJA NA MOZAK I PROLAZI KROZ KRALJEŽNICU?
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ODGOVOR:
• LEĐNA MOŽDINA
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3. ŠTO IZLAZI IZ LEĐNE MOŽDINE?
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ODGOVOR:
• ŽIVCI
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4. ŠTO ČINI ŽIVČANI SUSTAV?
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• MOZAK, LEĐNA MOŽDINA I ŽIVCI ČINE ŽIVČANI SUSTAV
ODGOVOR:
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5. KAKO RAZVIJAMO ŽIVČANI SUSTAV?
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ODGOVOR:
• TREBA MNOGO ČITATI• UČITI• RAZMIŠLJATI• TREBAMO SE ZDRAVO HRANITI• I DOVOLJNO ODMARATI
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NAGRADNO PITANJE
6. ŽIVČANI SUSTAV SASTAVLJEN JE OD DVIJE VRSTE STANICA.
KAKO SE ONE ZOVU?
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ODGOVOR:
• NEURONI I GLIJA STANICE
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