[ RC cells... kakuhou.... kagune... enzymes??? These are all words that make Naruto's brain go whaaat but he tries his best, albeit with a lot of squinting, to translate what this guy is saying regardless. ]

So.. Ghouls are like humans, except they have lots of some kinda special cells that mean they heal fast and grow like, extra arms?

[ Well, almost. He's kind of getting it? He's fought a scientist once who messed with his own cells in an attempt to make himself stronger and faster than he was.. It didn't go well, but if a ghoul's genetic makeup is altered from birth, then maybe they're okay. ]

If they can't eat human food, what do they eat? Bugs? [ He's had to eat bugs. And worms. Pretty recently, actually. Living with frogs for an extended amount of time is never great as far as diets go. His expression makes his disgust clearly a personal kind. ]