No. We don't know how zombie physiology works, but we know that they don't need oxygen.
In fact, we've seen a number of walkers surviving long periods of time underwater.
And at least one buried (but still active) walker.
No. We don't know how zombie physiology works, but we know that they don't need oxygen.
In fact, we've seen a number of walkers surviving long periods of time underwater.
And at least one buried (but still active) walker.