The story for kids
This is a neuron, a nerve cell. Its long wires connect the brain to every part of the body. When you touch something hot, neurons tell your brain about it super fast, with an electric signal. Our brain has about eighty-six billion neurons.
Facts
- Neurons send messages with electrical signals.
- Their long "wires" connect the brain to every part of the body.
- When you touch something, neurons tell your brain about it.
Numbers
- Length
- up to 1 m
- Speed
- up to 100 m/s
- In the brain
- ~86 billion