We need to take a trip through the anatomy and biological functions of a zombie from a medical and common sense perspective. All of us need to know our current enemy in order to be able to destroy it. we put current because we don’t really know how it will come out but there is one thing certain the majority of things in life can’t function without a head.

So what is a zombie and how does it work? Well we know you’ve read a lot of books that take on the subject so why regurgitate something you already heard, instead we’ll try to use science to make sense out of something that scientifically can make sense to a certain point but for the most part it doesn’t. Well here is our theory, Remember it’s a theory so this is just another random thought added to the mix.

At this time there is no solid way of knowing what or how a zombie agent will emerge. Zombies exist only in movies so it is left to speculation and debate by those people that like to talk about such things. Basically the Zombie Agent, pay attention that we’re not saying Virus, can come from Nature itself, manufactured by humans, outer space or it can come from religious or magical reasons as seen in many movies. In order for this agent to work, it needs to find a host, basically anything that it can use to invade, live and if it’s a virus multiply. This multiplication or exposure of the agent will lead a person to transform or get sick and eventually die from such agent. For some reason the body is then kick started back to life following somatic death or whatever time frame the agent chooses. The person is officially dead with no vital signs and all systems of the body shutdown except the nervous system and most likely if zombies move it is common sense that the muscular system will remain.

In the nervous system the zombie agent will activate certain areas of the brain that are deemed important such as the central nervous system which consists of the brain and spinal cord. It sends out nerve impulses and analyzes information from the sense organs, which tell your brain about things you see, hear, smell, taste and feel. Without this, zombies wont be able to hear nor see so it is expected that at least the hearing and vision part will be activated. The peripheral nervous system includes the craniospinal nerves that branch off from the brain and the spinal cord. It carries the nerve impulses from the central nervous system to the muscles and glands.

The muscular system is made up of tissues that work with the skeletal system to control movement of the body. Some muscles like the ones in your arms and legs are voluntary, meaning that you decide when to move them. Other muscles, like the ones in your stomach, heart, intestines and other organs, are involuntary. This means that they are controlled automatically by the nervous system and hormones you often don’t even realize they’re at work. Basically the Agent will use the voluntary muscles for the zombies and arms to move and shuts down the rest.

The R Complex (R for reptilian) is the brain we share with birds, and reptiles. Think of it as the “housekeeping brain”. Just the basics: hunger, temperature control, fight-or-flight fear responses, defending territory, keeping safe — that kind of thing. The structures that perform these functions within our brain are extremely similar to those in the brains of reptiles. For some reason or another the zombie agent will affect this area and basically throw off the balance of these basic functions especially the Hunger and Fight or Flight section of it, giving zombies and insatiable appetite and no fight or flight mechanisms to stop when you point a weapon at them.

The brain stem is the posterior part of the brain, adjoining and structurally continuous with the spinal cord. Though small, this is an extremely important part of the brain as the nerve connections of the motor and sensory systems from the main part of the brain to the rest of the body pass through the brain stem. The brain stem does a bunch of things but the most important one is that it regulates the central nervous system.

Basically without the brain stem the zombie can’t use its central nervous system and by destroying the nervous system you shut down the muscular system that makes the zombie walk and use its hands. This is basically us trying to make scientific sense of something that has no sense such as a reanimated corpse. As for infected humans well that is much easier to explain. Feel Free to give some of your theories of how a zombie will come to exist.

Photo: George A Romero Dawn Of The Dead

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2 Responses to What Is A Zombie?

  1. James Malyk says:

    Theory of how a zombie will come to exist.. government experimenting with anti-cancer fighting cell therapy to ‘reawaken’ dying cancer cells in an attempt to cure cancer in patients whose bodies are being eaten by it. The result is the body dies, and the treatment infects the entirety of the body to remain active.

  2. Pauline says:

    FLY BOY!!!! original Dawn of the dead awesome movie

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