Abstract
Abstract This research aimed to the information systems which form the internal environment of human body this time. How he gets data and from where? How he treats them and whom they concerned? Who are the beneficiaries of their services? After an extended study the authors concluded several elements and they fell in two categories: First, concerned with the answers of mentioned questions which deal with its characterization is not different from other information system except what concerned internal environment , as is depend on obtaining data from external available sources by the five senses and the stored in data bases (human memory) by retrieval system (remembering aspect) , then it transferred by attaching system (nervous system) to treatment unit (mind perception process) which treat them to produce information needed the beneficiaries among them are the mind processes and the rest of the human body . Second contains the results of the field study which conducted on a sample of (186) persons as far as the form of existing relationship between the system (as an independent variable) and the process of making human decisions which represented by purchasing decisions of consumers (as dependent variable) which proved its significance and positive , and that on correlation level . Given that the authors recommend in their individual, organizational and social recommendations on the importance of enhancing the different cultural affairs of persons, as it, is a responsibility concerned not only these persons, but also extended to include the organization in which they work, and the society in which they live. .
