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The human body is composed of approximately: 64% water, 20% protein, 10% fat, 1% carbohydrate, 5% minerals. [1] The decomposition of soft tissue is characterized by the breakdown of these macromolecules, and thus a large proportion of the decomposition products should reflect the amount of protein and fat content initially present in the body. [4]
Condition of the body: A body with a greater fat percentage and less lean body mass will have a faster rate of putrefaction, as fat retains more heat and it carries a larger amount of fluid in the tissues. [5] Cause of death: The cause of death has a direct relationship to putrefaction speed, with bodies that died from acute violence or ...
Body size is an important factor that will also influence the rate of decomposition. [22] A larger body mass and more fat will decompose more rapidly. [22] This is because after death, fats will liquify, accounting for a large portion of decomposition. [22] People with a lower fat percentage will decompose more slowly. [22]
Timeline of postmortem changes (stages of death), with skeletonization near right side. In a temperate climate, it usually requires three weeks to several years for a body to completely decompose into a skeleton, depending on factors such as temperature, humidity, presence of insects, and submergence in a substrate such as water. [3]
The effect of ethanol on dogs and cats is similar to its effect on humans, also causing intoxication. Death is unlikely given supportive care (only one death is known). Ethanol is also an antidote for ethylene glycol poisoning. [47] Mouse and rat poison, anticoagulant type Rodenticide is commonly found in the house or garage.
Water weight, also known as water retention, is a buildup of excess water or fluid in the body's tissues, which can occur for a variety of reasons, Dr. Felice Schnoll-Sussman, gastroenterologist ...
Cadaveric spasm is seen in cases of drowning victims when grass, weeds, roots or other materials are clutched, and provides evidence of life at the time of entry into the water. Cadaveric spasm often crystallizes the last activity one did before death and is therefore significant in forensic investigations, e.g. holding onto a knife tightly. [4]
One study found that the relative reduction in dog skull length compared to its width (the cephalic index) was significantly correlated to both the position and the angle of the brain within the skull, regardless of the brain size or the body weight of the dog. [8] A wolf mandible diagram showing the names and positions of the teeth