Numerous zombies are killed in various ways with much blood: shot, stabbed with antlers, neck broken, head shot off, slugged with a bat, hit with a sword, an axe in the head, hit with a ninja type star, heart ripped out, head ripped off, stabbing, neck bitten, neck wrenched, beaten with a frying pan, nick sliced.
A person bites their wrist, blood seen. A zombie feeds on a severed head. A zombie licks exposed brains. An eyeball bitten out of a head.