Why doesn’t our bodies’ electricity escape to the ground?

Our nerves are insulated to prevent the electric signals they produce from escaping. These electrical impulses transmit information to and from the brain, relaying the information gathered by our senses and sending instructions to our muscles.

To convey this vital information efficiently, our nerves are coated in a layer of fatty tissue called myelin, which confines the electrical signals to a precise pathway. Myelin prevents electricity from leaking in or out of the nerve, allowing messages to be carried at speeds of up to 400 kilometres (250 miles) per hour.

Answered by Alex Cheung

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