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Death is the permanent cessation of all biological functions that sustain a particular living organism. Phenomena which commonly bring about death include biological aging, predation, malnutrition, disease, suicide, murder and accidents or trauma resulting in terminal injury. Bodies of living organisms begin to decompose shortly after death. The death of an organism also results in a permanent absence of consciousness. In human societies, the nature of death has for millennia been a concern of the world's religious traditions and of philosophical inquiry. This may include a belief in some kind of resurrection, reincarnation or rebirth, or that consciousness permanently ceases to exist, known as oblivion. Commemoration ceremonies after death may include various mourning or funeral practices. The physical remains of a person, commonly known as a corpse or body, are usually interred whole or cremated, though among the world's cultures there are a variety of other methods of mortuary disposal. In the English language, blessings directed towards a dead person include rest in peace, or its initials RIP. (via Freebase)