Thursday 17 September 2015

what happens to body/organs after death - visual ideas- practical

STAGES OF DECAY
Initial decay (Known as 'autolysis') - externally the corpse looks okay, but internally the organs are breaking down.  Putrefaction - after approximately two-three days bacteria are active and the body is swollen with gases and accompanying odours.  Black Putrefaction - Skin starts to turn black and the corpse collapses as gases escape.  Fermentation - Very strong odours with some surface mould but the body has begun to dry out. 
ry Decay - The cadaver has for the most part dried out and the rate of decay has slowed considerably.
A corpse left above ground is rapidly broken down by insects and animals,  including bluebottles and carrion fly maggots, beetles, ants and wasps. A corpse can become  a moving mass of maggots within days, even hours in hot climates. Approximately 150,000 maggots can be found on an exposed corpse. Left above ground the the main body cavities burst open and the tissues become liquefied after about a month or so.


It can takes decades for a body to decay, as there are many factors that affect the rate of decomposition, such as how well the person was embalmed, what type of casket and vault they were placed in, humidity, heat, cold, soil type, water level, depth of burial, the availability of oxygen, accessible by insects or scavengers, body size and weight, clothing, the surface on which a body rests -  all determine how fast a fresh body will skeletonize or mummify.

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