ALL FIT: Episode 8 BODY COMPOSITION Slim starts the program with a song explaining that our bodies use food for energy. He explains that for our bodies operate efficiently,... more » we must have a balanced diet plus plenty of exercise. Slim emphasizes that not all body types are the same; some are naturally thin, muscular, or rounder. Slim joins Slenda and the all Fit Team at Slim's Gym where viewers are asked to join them in a non-stop mini aerobic work-out. In the Body Lab, Slim shows viewers how their body composition is measured by using a skin caliper. Slim also points out that the calories in food are used as energy for activities. Slim names and locates the rectus abdominus muscles.« less