The word robot means any man made machine that can perform work or other actions normally performed by humans. It can be controlled either by remote or automatically.Most of the robots today are used to do repetitive actions or jobs considered too dangerous for humans.
Robots can be made to look like humans or animals the difference is that they dont have emotions or feelings.But industrial robots do not look like humans, but do all the work accurately than a human or animal .
Fact : Metropolis was a movie that was directed by Fritz Lang . THe story revolves around a magnificent man made machine with a human form.The robot shown above the fact paragraph is metropolis.