This text explores the nature of unity and the distinction between a mechanical aggregate and an organic whole. The author defines unity as a product of the mutual interaction and influence of lower-level components. A fundamental distinction is made regarding how these components are unified: in a "false whole" (such as a forest), individual elements maintain their autonomy. In contrast, within a "true unity" (an organic body), cells, tissues, and organs are integrated into the whole, thereby losing their independence. This integration assigns them functions that they could not perform in isolation. The author highlights that in an organic system, the existence of a component is fundamentally defined by its role within the larger structure, though brief periods of independence may occur. Ultimately, the document offers an ontological perspective on the relationship between parts and wholes, emphasizing functional interconnectedness as the hallmark of genuine subjective unity.