I would think so given their manic drive to eat. Their digestive system may be as dead as the best of their bodies, but somehow what they've eaten must get out of the way for what they will eat, and some kind of assimilation would seem the likely answer, especially given that the mouthfuls of minimally masticated flesh are already connected to the esophagus and stomach.
But if so this necessities some functioning respiration to provide the energy necessary.
In this we see, again, how in zombie lore one question leads to another.
But if so this necessities some functioning respiration to provide the energy necessary.
In this we see, again, how in zombie lore one question leads to another.