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Quiz yourself on Nervous SystemGet your flashcardsBuild my revision planTrack my progress⚡ Your Body's Lightning-Fast Communication Network
Imagine you're walking and suddenly step on a sharp stone. Before you even feel the pain, your foot has already lifted off the ground. How? Your nervous system detected the danger, processed it, and triggered a response — all in a fraction of a second. It's like having millions of tiny messengers sprinting through dedicated highways inside your body, carrying urgent instructions at speeds of up to 120 metres per second. No email, no text message — just pure electrical impulses racing along specialised cells called neurones.
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