Bab 12 : Koordinasi & Gerak Balas dlm Manusia Flashcards

1
Q

Kepekaan

A

Keupayaan utk mengesan perubahan dlm persekitarannya & bergerak balas terhadap perubahan ini

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2
Q

Koordinasi

A

Proses pengesanan ransangan oleeh reseptor yg berakhir dgn gerak balas yg bersesuain oleh efektor

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3
Q

Keperluan gerak balas

A

○ mengesan ransangan terhadap persekitaran luar & bergerak balas terhadap ransangan
○ maklumat dpt disampai ke pusat intergerasi & melakukan gerak balas
○ menyesuaikan diri terhadap perubahan persekitaran

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4
Q

Saraf pusat

A

Otak & saraf tunjang

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5
Q

Saraf periferi

A

○ saraf kranium (12 psg)
○ saraf spina (31 psg)

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6
Q

Bahagian otak

A

○ sereberum
○ serebelum
○ hipotalamus
○ medula oblongata
○ kelenjar pitiutari

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7
Q

Sereberum

A

○ struktur terbesar & kompleks
○ berlipat² for more luas permukaan so memuatkan saraf lg byk
● pusat kawalan emosi, pendengaran, penglihatan, personaliti & tindakan terkawal
● menerima maklumat & ransangan dr reseptor
● maklumat dianalisis, diintereptasi & dihubung kait untuk persepsi deria
● gerak balas ditentukan & arahan diberikan kpd efektor
● keupayaan mental tinggi

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8
Q

Serebelum

A

● memelihara keseimbangan badan
● koordinasi pengecitan otot utk pergerakan badan

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