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➣ Cara sistem saraf berfungsi:
The way the nervous system functions:

Gerak balas
Respond

Rangsangan dikesan Isyarat dihantar ke bahagian
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oleh organ deria sasaran oleh saraf periferi
Stimulus detected Signals are sent to the targeted
by sensory organs area by peripheral nerves

Isyarat dihantar melalui sistem
saraf periferi ke saraf tunjang Isyarat dihantar dari saraf
tunjang ke saraf periferi
Signals are sent through the Signals are sent from the spinal
peripheral nervous system cord to the peripheral nerve
to the spinal cord

Isyarat dihantar melalui Isyarat dihantar dari otak
saraf tunjang ke otak ke saraf tunjang
Signals are sent through the Signals are sent from the
spinal cord to the brain brain to the spinal cord

Otak menerima isyarat, mentafsir dan menghantar isyarat
The brain receives signals, interprets and transmits signals

➣ Kegagalan sistem saraf boleh menyebabkan:
Nervous system failure can cause:

• Badan tidak dapat mengesan rangsangan
Body cannot detect a stimulus
• Badan tidak dapat bertindak balas terhadap rangsangan
Body cannot respond to stimuli
• Sistem koordinasi badan terganggu
Coordination system of body interrupted
• Lumpuh jika sistem saraf pusat terganggu
Paralysis if the central nervous system is interrupted

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