However, when humans function in civilized tandem, it has been noted that uninhibited acting on extreme emotion can lead to social disorder and crime.

If neither complex systems nor the humans who work in them can function infallibly, how is zero tolerance of error to be achieved?

The alien was especially impressed by the wide thermal range in which humans could function successfully.

For example, food is a human right because without food humans cannot function properly.

My guess is that humans function as slaves or serfs, with some exceptional types enjoying special privileges.

The humans should function as minor players in a Muppet-led adventure, as Segel and Amy Adams do in the new movie.

Like it or not, humans do function as DNA carriers.

The humans do not function well together, suffering leadership conflicts and the desire to regain their normal lives.

An accomplished mountaineer with Himalayan experience, Dr. Hornbein was also an anesthesiologist who had researched how humans function at high altitudes.

It reflects a rather mechanical view of how humans function, which arose as factories became more common.