Dead” and “Dying” redirect here. The concept and symptoms death is nothing at all poem pdf 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. Animal and plant cells normally reproduce and function during the whole period of natural existence, but the aging process derives from deterioration of cellular activity and ruination of regular functioning.

Aptitude of cells for gradual deterioration and mortality means that cells are naturally sentenced to stable and long-term loss of living capacities, even despite continuing metabolic reactions and viability. From all causes, roughly 150,000 people die around the world each day. Ivory pendant of a Monk’s face. The concept of death is a key to human understanding of the phenomenon. There are many scientific approaches to the concept. For example, brain death, as practiced in medical science, defines death as a point in time at which brain activity ceases. As a point in time, death would seem to refer to the moment at which life ends.

Determining when death has occurred is difficult, as cessation of life functions is often not simultaneous across organ systems. Such determination therefore requires drawing precise conceptual boundaries between life and death. This is difficult, due to there being little consensus on how to define life. This general problem applies to the particular challenge of defining death in the context of medicine.

It is possible to define life in terms of consciousness. When consciousness ceases, a living organism can be said to have died. Another problem is in defining consciousness, which has many different definitions given by modern scientists, psychologists and philosophers. In certain cultures, death is more of a process than a single event. It implies a slow shift from one spiritual state to another. Other definitions for death focus on the character of cessation of something. In this context “death” describes merely the state where something has ceased, for example, life.