How can a bone withstand 1,000 pounds of force without breaking? Why do some people bleed more easily than others? And, how can sound be used to make blind people see? These are just a few of the mysteries you'll explore in this fascinating documentary.

Through amazing internal photography and advanced computer graphics, get an intimate look at nature's most complex machine. And, as a bonus feature, also included is the groundbreaking Discovery Pictures/BBC co-production 'The Human Body' – a large-format film that follows a family through a normal day to illustrate the biological processes that take place within us.