See also: List of causes of death by rate
Death has many potential causes: disease, injury, poisoning, among others. Any of these may damage tissues and organs, and disturb the inner balance that allows vitality (homeostasis). Ultimately, every cause of death in animals does so by breaking the oxygen cycle, cutting off oxygen flow to the brain. All living creatures die, even if they have no particular affliction. Furthermore, every species has its own typical life expectancy. Humans, for examp...
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