Animals (including humans) may be buried alive intentionally (as a form of torture, murder or execution), voluntarily (as a stunt, with the intention to escape), accidentally (e.g. under rubble due to a disaster or collapse of a building or cave), or unintentionally (in the mistaken belief that the living person is in fact dead). Physics and biology If interment (burial) is not reversed within a short period of time, it rapidly leads to death, usually through one or more of the following: asphyxiation, dehydration, starvation, or (in cold climates) exposure. Although human survival may be briefly extended in some environment as body metabolism slows, in the absence of air, loss of consciousness will take place within 2 to 4 minutes and death by asphyxia within 5 to 15 minutes. Permanent brain damage through oxygen starvation is likely after a few minutes, even if the person is rescued before death. If fresh air is accessible in some w

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