BIOLOGY | MEDICAL | HEALTH on Instagram: "Neurons engaged in learning develop extensions to form new connections. Nerves carry electrical signals throughout the body in milliseconds, functioning like cables filled with insulated wires. Each of these wires, known as a nerve fiber or axon, is the central component of a single, incredibly long cell called a neuron, responsible for transmitting the signal. . For educational purposes only. Credit: Unknown Source: YT DM for credits or removal 👏🏻🙏🏻