Death is the term used to describe the cessation of all biological functions that sustain aliving organism. Phenomena which commonly bring about death include old age, predation,malnutrition, disease, and accidents or trauma resulting in terminal injury. All known organisms inevitably experience death. Bodies of living organisms begin to decomposeshortly after death.
In human societies, the nature of death has for millennia been a concern of the world’sreligious traditions and of philosophical enquiry. This may include a belief in some kind ofresurrection (common in Abrahamic religions), reincarnation (common in Dharmic religions) or that consciousness ceases to exist (common among atheists).
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 interredwhole or cremated, though among the world’s cultures there are a variety of other methods of mortuary disposal.
Physiological death is now seen as a process, more than an event: conditions once considered indicative of death are now reversible.Where in the process a dividing line is drawn between life and death depends on factors beyond the presence or absence of vital signs. In general, clinical death is neither necessary nor sufficient for a determination of legal death. A patient with working heart and lungs determined to be brain dead can be pronounced legally dead without clinical death occurring. Paradoxically, as scientific knowledge and medicineadvance, a precise medical definition of death becomes more problematic.
In human societies, the nature of death has for millennia been a concern of the world’sreligious traditions and of philosophical enquiry. This may include a belief in some kind ofresurrection (common in Abrahamic religions), reincarnation (common in Dharmic religions) or that consciousness ceases to exist (common among atheists).
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 interredwhole or cremated, though among the world’s cultures there are a variety of other methods of mortuary disposal.
Etymology
The word death comes from Old English deað, which in turn comes from Proto-Germanic *dauþaz (reconstructed by etymological analysis). This comes from the Proto-Indo-European stem *dheu- meaning the ‘Process, act, condition of dying’.Associated terms
The concept and symptoms of death, and varying degrees of delicacy used in discussion in public forums, have generated numerous scientific, legal, and socially acceptable terms or euphemisms for death. When a person has died, it is also said he has passed away,passed on, or expired, among numerous other socially accepted, religiously-specific, slang, and irreverent terms. Bereft of life, the dead person is then a corpse, cadaver, a body, a set of remains, and finally a skeleton. The terms carrion and carcass can also be used, though these more often connote the remains of non-human animals. As a polite reference to a dead person, it has become common practice to use the participle form of “decease”, as in the deceased; the noun form is decedent. The ashes left after a cremation are sometimes referred to by the neologism cremains, a portmanteau of “cremation” and “remains”.Senescence
Almost all animals who survive external hazards to their biological functioning eventually die from senescence. The only known exception is the jellyfish Turritopsis nutricula, thought to be, in effect, immortal. Unnatural causes of death include suicide and homicide. From all causes, roughly 150,000 people die around the world each day.Physiological death is now seen as a process, more than an event: conditions once considered indicative of death are now reversible.Where in the process a dividing line is drawn between life and death depends on factors beyond the presence or absence of vital signs. In general, clinical death is neither necessary nor sufficient for a determination of legal death. A patient with working heart and lungs determined to be brain dead can be pronounced legally dead without clinical death occurring. Paradoxically, as scientific knowledge and medicineadvance, a precise medical definition of death becomes more problematic.
Signs of death
Signs of death or strong indications that an animal is no longer alive are:- Cessation of breathing
- Cardiac arrest (No pulse)
- Pallor mortis, paleness which happens in the 15–120 minutes after death
- Livor mortis, a settling of the blood in the lower (dependent) portion of the body
- Algor mortis, the reduction in body temperature following death. This is generally a steady decline until matching ambient temperature
- Rigor mortis, the limbs of the corpse become stiff (Latin rigor) and difficult to move or manipulate
- Decomposition, the reduction into simpler forms of matter, accompanied by a strong, unpleasant odor.
Death figures
Death
Death
Death
No comments:
Post a Comment