Name the line which run vertically or in the north south direction on the globe

Latitude lines run parallel to each other from East to West with the Equator running along the center of the Earth. The equator is located at 0 degrees latitude with the North Pole at the top of the Earth, 90 degrees North and the South Pole at the bottom, 90 degrees South.

the equator runs vertically in the north south direction of the globe