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Bio F4 Bab 12

Koordinasi & gerak balas manusia

QuestionAnswer
Sistem saraf dibahagi kpd 2 subsistem utama, Nyatakan 1>Sistem Pusat 2>Sistem Periferi
Apakah yg terlibat dlm sistem saraf pusat?? Otak & Saraf Tunjang
Apakah yang terlibat dlm sistem saraf periferi?? 12 Saraf Kranium & 31 Saraf Spina
Bagaimanakah bentuk Serebrum? 1)Struktur yg paling besar&kompleks pd bhgn hadapan otak 2)Berlipat2~menambahkn luas perm.~muatkn lbh bnyk saraf
Apakah fungsi Serebrum? 1)Pusat mengawal emosi,pendengaran,penglihatn,prsonaliti,tindkn trkawal 2)Menerima maklumt&rngsangan drpd reseptor 3)Keupayaan mntal tinggi-pembelajarn,mengingat,kemahiran brbhsa,matematik
Apakah fungsi Hipotalamus? 1)Mngkoordinasi homeostasis 2)Pusat kawalan-atur suhu bdn,keseimbangan air,tekanan darah,mengesan kelaparan,dhga,keletihan 3)Mnghubungkn sistem saraf kpd sistem endokrin melalui kelenjar pituitari 4)Kawal rembesan hormon pituitari
Apakah fungsi Serebelum? Memelihara keseimbangan badan srta koordinasi pengecutan otot utk prgerakan bdn
Apakah fungsi kelenjar Pituitari? 1)Trletak pd dasar Hipotalamus 2)Kelenjar utama sistem endokrin 3)Merembes Hormon&mengawal rembesan oleh kelenjar endokrin lain
Apakah fungsi Medula Oblongata? 1)Trletak pd anterior serebelum 2)Mngawal tndkn luar kawal spt denyutan jantung,prnafasan,pencernaan makanan,pemvasocerutan,perilstasis,tekanan darah...etc
Jelaskan Secara DETAILED!! As possible SARAF TUNJANG 1>Trkandung dlm turus veterbrata&dikelilingi-bndalir serebrospina yg memberi prlindungan&bekalkn nutrien 2>Trdiri drpd-Jirim putih&Jirim Kelabu
Apakah fungsi Saraf Tunjang? 1)Memproses bbrapa jenis maklumat deria&mnghantar g/b-neuron motor 2)Mngawal tindkn refleks 3)Mnghubungkn otak dgn sistem saraf periferi
Huraikan Ganglion Akar Dorsal Trdapat badan sel neuron deria trkumpul
Huraikan Akar Dorsal Akson neuron deria yg mnghantar impuls saraf dri reseptor deria ke saraf tunjang
Huraikan Akar Ventral Neuron motor yg mnghantar impuls dri saraf tunjang ke efektor
Huraikan Saraf Spina Mengandungi neuron motor& deria
Huraikan sistem saraf Periferi trdiri drpd sistem saraf soma& autonomi~soma=tindakan trkawal~autonomi=luar kawal
Jelaskan mengapa kita tidak dapat menahan bersin? bersin=g/b luar kawal
Jelaskan fungsi akson<Mailman> dlm neuron Cabang panjang drpd badan sel~membawa impuls kluar dri bdn sel ke neuron lain/efektor
Jelaskan fungsi Salut Mielin dlm neuron Penebat yg menyaluti akson~melindungi neuron drpd kecederaan~penebat impuls elektrik~membekalkan nutrien kpd akson
Apakah fungsi Dendrit dlm neuron Menerima impuls saraf dri neuron lain/persekitaran luar&mnghantarkannya ke arah badan sel
Jelaskan fungsi badan sel dlm neuron Mempunyai nukleus&bnyak unjuran sitoplasma=dendrit,mngintegrasikan isyarat&mngkoordinasikan aktivit metabolisme
Jelaskan Nodus Ranvier bhgian yg X disaluti mielin pd sela tetap di spanjang akson~(celahan)-membantu mempercepatkn pengaliran impuls dgn membolehkn impuls saraf melompat dri 1 nodus ke nodus berikutnya
Bezakan antara neuron Motor&neuron Deria Neuron Motor~Akar ventral-menerima impuls dri neuron geganti(sistem saraf pusat)-mnghantar impuls ke efektor-badan sel trdpt dlm jirim kelabu saraf tunjang Neuron Deria~Akar Dorsal-impuls dri reseptor->sistem saraf pusat-bdn sel di ganglion
Jelaskan Neuron Geganti Trdpt dlm sistem saraf pusat-mnghubungkn neuron deria kpd neuron motor-bdn sel trdpt secara kelompok jirim kelabu
Apakah contoh neurotransmiter yg boleh dijumpai di sinaps? Asetilkolina,nonadrenalina,dopamina,serotonin
Created by: Enbos
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