Tiny thin wires in an electric bulb Share with your friends Share 0 Anurag Kumar answered this Dear Student ,The thin wire inside the body is called filament of the bulb. Filament is generally made of thin tungsten wire. It is the filament of the bulb which glows when it gets heated due to passing the electricity from cell through it.Due to its shape i.e. thin , the current passes more and the heating developed is vey high , so it glows very rapidly.Regards 0 View Full Answer