I. Aging within the theoretical framework of an evolutive hierarchical system

A/ Notion of a complex system

B/ Evolution of a hierarchical complex system

C/ Dynamic regulation of the system

D/ Aging as a consequence of the dialectics between CRs

II. Interpretation in the model of different physiological theories of aging

A/ Macromolecular level

B/ Level of infracellular structures

C/ Cellular level

D/ Higher levels (tissues, organs, large systems)

E/ Global phenomena