What is Death?
{{redirect|Die|the game-playing objects|Dice|death metal band|Death (band)}} {{more sources|date=August 2023}} [[File:Kuoleman Puutarha by Hugo Simberg.jpg|alt=|thumb|Death and his flowers, in Kuoleman puutarha, Hugo Simberg (1906)]] [[File:Skullclose.jpg|thumb|upright|200px|The human [[skull]] is often used as a [[symbol]] for death]] '''Death''' is the end of a [[life]] in an [[organism]]. All biological and living activity of the living thing stops, including the mind and the senses. The usual signal for death in humans and many other animals is that the [[heart]] stops beating and cannot be restarted. This can be caused by many things. All living things have a limited lifespan, and all living things eventually die. Living things that have died are normally described as being dead. Death of humans is often investigated for the cause, in case of crime (such as [[murder]]), [[accident]] or [[disease]] that may continue to kill other humans. About 150,000 people die every day around the world.<ref name=degrey>{{cite journal | last = Aubrey D.N.J | first = de Grey | authorlink = | title = Life span extension research and public debate: societal considerations | journal = Studies in Ethics, Law, and Technology | volume = 1 | issue = 1, Article 5 | year = 2007 | url = http://www.mfoundation.org/files/sens/ENHANCE-PP.pdf | doi = 10.2202/1941-6008.1011 | s2cid = 201101995 | accessdate = March 20, 2009 |issn=1941-6008}}{{Dead link|date=August 2021 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> About two thirds of these people die because of [[ageing|age]].<ref name=degrey/> In addition to the physical body, some believe humans also have a [[soul]] and believe that the soul can continue without a body ([[afterlife]]), move into another body ([[reincarnation]]), or cease to exist ([[annihilationism]]). [[Religion]]s have different beliefs about this issue. Many cultures have their own [[custom]]s and [[ritual]]s to respect the dead. When people talk about things or events that lead to the death of a plant or anim