Nerve Impulse

Nerve Impulse

A nerve impulse is an electrical signal that travels along neurons to carry messages throughout the body. It allows the brain, spinal cord, and nerves to communicate quickly and precisely. Nerve impulses begin when sensory receptors detect a stimulus such as heat, pressure, or ligh...

From blinking your eyes to catching a ball, every action in your body begins with a signal, which is a nerve impulse.

These impulses are electrical signals that travel quickly through your neurons.

To help nerve impulses travel quickly, many axons are wrapped in a myelin sheath, a fatty layer that acts like insulation on an electric ...