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Sains Tingkatan 3 Bab 1
1.1 Sistem Saraf Manusia
Human Nervous System Buku Teks ms. 4-10

1. Rajah di bawah menunjukkan sistem saraf manusia. SP 1.1.1
The diagram below shows the human nervous system.

Otak
Brain Saraf kranium
Cranial nerve
Saraf spina
Spinal nerve
Saraf tunjang
Spinal cord

(a) Kelaskan struktur-struktur yang berlabel mengikut jenis sistem saraf. TP1
Classify the labelled structures according to their type of nervous system.

Sistem saraf pusat Sistem saraf periferi
Central nervous system Peripheral nervous system

Sistem saraf periferi : Saraf kranial dan saraf
Sistem saraf pusat : Otak dan saraf tunjang
Central nervous system : Brain and spinal cord spina
Peripheral nervous system : Cranial nerve and spinal nerve

(b) Sistem saraf melibatkan beberapa komponen iaitu reseptor, sel saraf, impuls dan efektor untuk mengesan
dan menghasilkan gerak balas.
Nervous system involves several components which are receptor, nerve cells and e ector to detect stimulus and produce response.

Padankan komponen dengan fungsi yang betul. TP2
Match the components with the correct function.

Komponen Fungsi
Component Function
(i) Reseptor Membawa impuls
Receptor Carry impulse

(ii) Sel saraf Menghasilkan gerak balas
Nerve cells Produce response
(iii) Otak Mengesan rangsangan dan menghasilkan impuls
Brain Detects stimulus and produces impulse

(iv) Efektor Mentafsir impuls dan menghasilkan maklumat
E ector Interpret impulse and produce information

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