Question: How in blazes do 790 and the other robot heads, when they are attached to cyborg bodies, eat, drink and breathe for their biological bodies? I never see anything like either a functional nose/air intake or functional jaw and mouth (for food intake, as opposed to speech) for these things. I never see any such bio-interface on the bottom of 790's head when he is held upside-down etc... Also, what is the power source for 790's kind's actual robot head, since we never see him plug into an outlet, fuel up etc.
Question: Why do the robot heads get attached to human bodies?? Doesn't make sense when you consider how much more advanced they could make robot bodies for such. Also, why not put human brains in robot bodies? We know they have that ability.
Answer: From what I'm seeing, the answer seems simple. The robotic heads allow the control of the body they need. However, no mater how advanced you make a robot's body, it will never quite be as flexible and versatile in it's movements and actions as a flesh and blood human body can be in most cases. And if they do put the effort into creating a robotic body with the capabilities they need, and be durable enough to last... it would cost a lot of money. The Cluster has a large influx of constant prisoners that they use for feeding the Lexx and other needs, so human bodies are easy to come by and in vast quantities. Them simply producing robotic heads with the ability to interface with the human nervous system and placing them on the decapitated bodies of expendable prisoners is a hell of a lot more cost effective and easier to do with the technology they have. It's just a cheaper, more effective option for them to have thousands fo 790 Units in production and use without the cost of manufacturing a fully functional and durable robotic body for them.
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