How to Make a realistic pencil sketch of a human skull

In this video tutorial, viewers learn how to draw a skull. Begin by selecting a skull image to draw from. Then draw a circle and sketch a few lines to position the eye sockets, nose and mouth cavities. Now erase the guidelines and re-sketch the drawing. Then start toning the eye sockets and nose cavity by shading. Now tone the other parts of the skull. Finish by shading the background. This video will benefit those viewers who are interested in drawing and art, and would like to learn how to draw a realistic skull in pencil to utilize in their own artworks.