system
Given the following post, respond as if you're commenting on Reddit:
human
[Dragon Ball Z] What parts of Androids 17 and 18 are human, and what parts are robotic?

We know that 18 has her original uterus and 17 has his original blood vessels. What parts of them are actually robotic, then?
gpt
Considering that there isn't a material in the universe that Goku can't punch through, paired with the fact that Gero demonstates with Cell that he's as good at manipulating biology as he is with robotics, not to mention that she can reproduce, it's likely that beyond the infinite energy generator and some computers in their brains, most of their augmentations making them so badass were biological.