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At the end of this stage, blowflies and flesh flies arrive to lay eggs. Most of this breakdown occurs inside the body and is not visible from the outside. Microbes also start breaking down carbohydrates, proteins, and lipids. Then, as the bacteria in the intestines devour the intestinal walls, cells lose their structural integrity and cellular enzymes are released to begin breaking down the cells themselves and surrounding tissues.
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Without blood and oxygen flow, muscular tissues become rigid and the blood pools into the lower extremities. Stage 1 – Initial BreakdownĪs soon as death occurs, the body temperature starts cooling to match the surrounding temperature around it. However a person died, there are five stages of decomposition that human and animal remains go through as the materials they are made of return to the earth. As tragic and heartbreaking as death is for us, there is a beauty and efficiency about how creatures and the environment assist the body in the decomposition process and return the materials back to the local environment. Though it’s not something we like to think about, human decomposition, or the decomposition of any animal, is the way nature recycles materials and keeps systems in balance. By looking for certain signs and taking external factors into account, they can find a great deal of information about how and when death occurred. How long that person has been dead and how they died is determined under careful scrutiny by a forensic team trained in the various stages of human decomposition. Open most any news site and you can read of a body being found.