can humans change into zombies after death

No, humans cannot change into zombies after death. The concept of "zombies" is a fictional one that exists primarily in stories, movies, television shows, and other forms of entertainment. It's not based on any scientific fact or biological reality. In these fictional narratives, zombies are usually portrayed as reanimated corpses or people who have been transformed by some form of infection, like a virus or supernatural force. But this is purely a product of imagination and storytelling. In reality, when humans die, their bodies stop functioning and begin to decompose. There's no scientific mechanism that would allow a human body to reanimate or continue functioning after death. So rest assured, you don't need to worry about turning into a zombie after you die. It's just a scary idea that's been popularized in horror stories and folklore.