What happens to our bodies when we die?
Death Chill: Immediately after the heart stops beating, the body rapidly cools down until it reaches room temperature. This is known as Algor Mortis.
Rigor Mortis: Without the heart pumping, blood coagulates in the veins, arteries and capillaries, causing the entire body to stiffen. Rigor mortis sets in around two to six hours after death.
Decomposition: For a few days after death, some cells (such as skin cells) are still alive. Because of this, the live bacteria starts to break down and putrefy the body.
Color: First the body turns green, then purple, and then eventually black.
Smell: The putrefying body gives off a sulphurous gas with a horrific smell, similar to rotten eggs.
Bloating: This gas also builds up inside the body, causing the corpse to expand, the eyes to be pushed out of their sockets and forces the tongue out of the mouth.
Blistering: A week after death, the body’s skin will blister so much that the slightest touch will cause it to fall off.
And finally: A month after death a corpse’s hair and nails will fall out, and the organs will liquefy. The body then swells until it bursts open, leaving nothing but the skeleton behind.
Human decomposition begins around four minutes after a person dies and follows four stages: autolysis, bloat, active decay, and skeletonization.
Stage One: Autolysis
The first stage of human decomposition is called autolysis, or self-digestion, and begins immediately after death. As soon as blood circulation and respiration stop, the body has no way of getting oxygen or removing wastes. Excess carbon dioxide causes an acidic environment, causing membranes in cells to rupture. The membranes release enzymes that begin eating the cells from the inside out.
Rigor mortis causes muscle stiffening. Small blisters filled with nutrient-rich fluid begin appearing on internal organs and the skin’s surface. The body will appear to have a sheen due to ruptured blisters, and the skin’s top layer will begin to loosen.
Stage Two: Bloat
Stage two of human decomposition consists of bloating to the body. Leaked enzymes from the first stage begin producing many gases. Due to the gases, the human body can double in size, giving it that bloated look.The sulfur-containing compounds that the bacteria release also cause skin discoloration. In addition, insect activity can be present.
The microorganisms and bacteria produce extremely unpleasant odors called putrefaction. These odors often alert others that a person has died, and can linger long after a body has been removed.
Stage Three: Active Decay
Fluids released through orifices indicate the beginning of active decay. Organs, muscles, and skin become liquefied. When all of the body’s soft tissue decomposes, hair, bones, cartilage, and other byproducts of decay remain. The cadaver loses the most mass during this stage.
Stage Four: Skeletonization
Because the skeleton has a decomposition rate based on the loss of organic (collagen) and inorganic components, there is no set timeframe when skeletonization occurs.
BODY DECOMPOSITION TIMELINE
24-72 hours after death: The internal organs decompose.
3-5 days after death: The body starts to bloat and blood-containing foam leaks from the mouth and nose.
8-10 days after death: The body turns from green to red as the blood decomposes and the organs in the abdomen accumulate gas.
Several weeks after death: Nails and teeth fall out.
1 month after death: The body starts to liquify.
All pages by Nekirena
Page last updated: Apr 20 2023
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