November 29, 2021
Death in biology means the end of the life cycle of living things, and in medicine it means the irreversible cessation of vital signs. Death in the context of other disciplines may refer to the complete destruction of a process, a means, or a phenomenon.
A variety of factors and conditions can lead to the death of living organisms, including disease, habitat destruction, aging, malnutrition, and stress and accidents. In developed countries, the leading causes of death are weight-related diseases, aging and age-related diseases.
Traditions and beliefs about death are one of the most important parts of human culture. Explaining the phenomenon of death, the details of the moment of death, as well as the actual understanding have become more complex due to the increasing advances in medical science. Many people believe in the afterlife and believe that life will continue.
Death from the point of view of science
After the cessation of vital signs and the heart, the consciousness of all the senses is completely lost and the living being (humans and animals) does not feel, hear, see or feel anything because it belongs to its body and its nerves and its analysis by It is the brain that is destroyed.
About a minute after death in the brain, chemical reactions take place in the brain, which causes the destruction of brain cells (neurons).
The corpse then becomes toned and the muscles become dry and so-called (corpse stagnation), and microorganisms such as anaerobic bacteria begin to function from outside and inside the body and decompose the body tissues, and after about sixty days the tissue The soft tissues of the body are destroyed and only the skeleton (bones), teeth, hair and nails will break down much more slowly than the soft tissue due to the creatine protein.
Species of death
From the perspective of forensic medicine, death is the definite and natural end of life that occurs gradually after the chain changes that occur in the process of life. Death is also legally divided into two categories:
A) Death in terms of type includes: Algebraic death (caused by external factors)
Non-forced death (death that occurs due to old age (physiological) or due to disease (pathological).
B) Death in terms of sex includes murder, suicide, accidental death (a kind of forced death that occurs in a particular situation).
The view of religions
In the Abrahamic religions, death is the separation of the soul from the body