List four biological criteria of life and one clinical criterion. explain how a person could be clinically dead but biologically alive.

Biological criteria of life are that an organism maintains the homeostasis, are composed of cells, have a life cycle, undergoes the catabolic and anabolic reactions, can grow, adapt to their environment, respond to stimuli, reproduce and evolve. no brainwave or no heartbeat may show the signs of clinical death but not all organs stop functioning at the same time. This is the reason why different organs can be transplanted even after death.