Yes, it is done all the time. Artificial limbs are often machines. Artificial hearts and kidneys are often used, though attached externally. Pacemakers and medication pumps are often embedded in the body.
Humans created machines to help them selves. But machines enslaved humans.
In the Matrix, the machines use humans as a power source by harvesting their bioelectricity. Additionally, the machines rely on the human subconscious to provide a stable mental environment for the Matrix simulation to function properly. This symbiotic relationship allows the machines to both sustain themselves and maintain control over the human population.
Astronauts have to attach themselves to something because they will float around in the spacecraft if they do not.
Washing machines help humans by making it easier for humans to wash their clothing. Washing machines have special instructions on how to install and use them. Basically, they make humans' life a lot easier. But, it also uses electricity, which does not help humans. The pollution from the washing machines' electricity makes humans' life harder.
No, humans have never naturally had the ability to fly. While technology like airplanes and helicopters allow us to fly, humans themselves are not capable of flight without the aid of machines.
Probes attach themselves to nothing.Probes are attached by technicians to various points in a circuit that need to be examined to test a circuit.
This question makes no sense, but slavery in the 1860’s had no use of machines.
Engineers/ humans
Ergonomics is the science concerned with designing safe and comfortable machines for humans.
Robots are the machines doing the work formerly done by Humans
Lice
Plastic molding machines; soldering machines; computer machines; humans; assembly machines; cooling machines; heating machines; electric machines; labeling machines; laser machines; conveyor machines.... etc.