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Signs of death or strong indications that a human is no longer alive are: Respiratory arrest (no breathing); Cardiac arrest (no pulse); Brain death (no neuronal activity); The heart and lungs are vital organs for human life due to their ability to properly oxygenate human blood (lungs) and distribute this blood to all vital organs (heart).
Examples of injuries incompatible with life are decapitation or gross dismemberment.Other circumstances that are regarded as self-evidently incompatible with life include traumatic hemicorporectomy, decomposition, incineration, hypostasis and rigor mortis; in these circumstances, paramedics and other similar workers may be allowed to regard a person as dead in the absence of a physician.
An example of a type of accident that can cause death is a traffic collision. List of accident types; Biological aging – Disease – Terminal illness; Injury. Wound. Mortal wound; Killing – causing the death of a living organism, usually for the purpose of survival, including the defense of self and or others. Predation – Homicide –
Conversely, premature death can refer to a death that occurs before old age arrives, for example, human death before a person reaches the age of 75. [78] Animal and plant cells normally reproduce and function during the whole period of natural existence, but the aging process derives from the deterioration of cellular activity and the ruination ...
It is now understood that death is a series of physical events, not a single one, and determination of permanent death is dependent on other factors beyond simple cessation of breathing and heartbeat. [11] Clinical death that occurs unexpectedly is treated as a medical emergency. CPR is initiated.
Experiencing fear, extreme stress, or both can cause changes in the body that can, in turn, lead to death. For example, it is possible that overstimulation of the vagus nerve—which decreases heart rate in a mechanism related to the behavior of apparent death (also known as "playing dead" and "playing possum")—is the cause of documented ...
Major trauma is a severe traumatic injury that has the potential to cause disability or death. Serious traumatic injury most often occurs as a result of traffic collisions. [11] Traumatic injury is the leading cause of death in people under the age of 45. [12] Blunt trauma injuries are caused by the forceful impact of an external object.
Death is the termination of all vital functions or life processes in an organism or cell. [ 31 ] [ 32 ] One of the challenges in defining death is in distinguishing it from life. Death would seem to refer to either the moment life ends, or when the state that follows life begins. [ 32 ]