The learner is randomly presented with a male or female rat when they start the program.
They can switch at any time to the equivalent part of the opposite sex dissection
by clicking on the Sex tool in the tools palette.
The following MPEGs represent the video which would show when the learner clicked on the abdomen of the black and white computer screen image, depending on which view (Top or Side) was selected.
Figure 1. Equivalent dissection sequences are available in the male and female dissection.