The document discusses cyborgs, which are organisms that have both biological and mechanical components. It defines cyborgs and different types, including individual cyborgs which have prosthetics, and social cyborgs which are larger networks. Examples are given of current and fictional cyborgs, and applications in fields like the military, medicine, art, marine research and popular culture. Both advantages like enabling normal life and disadvantages like high costs and maintenance needs are outlined. The conclusion is that artificial body parts may improve quality of life but also have risks.