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It is well known that the human being is a complex system made up of cells, tissues, organs and organ systems that function together to maintain the health. The coordinated physiological processes maintain most of the steady states in an organism, not at a fixed value, but within a narrow, relatively constant range, known as homeostasis [1]. Recently, a non-invasive measurement of human biopotentials has been proposed in order to provide information about the condition of the human system as a whole [2]. In the present work, a signal conditioning circuit has been developed to enhance the signal level of the measured biopotentials so as to achieve better resolution. This is expected to enable a more reliable and detailed analysis of the acquired signals. [ABSTRACT FROM PUBLISHER]