Also see user session. In telecommunication, a session is a series of interactions between two communication end points that occur during the span of a single connection.
The path of blood through the heart begins with the right atrium receiving blood, which has circulated through most of the body. This blood is relatively low in oxygen because most of it has already been delivered to different organs and tissues.
The activation of this factor marks the beginning of the so-called common pathway of coagulation, which results in the formation of a clot. The blood coagulation cascade is initiated through either the extrinsic or intrinsic pathway. Both pathways result in the production of factor X, an enzyme that marks the beginning of the common pathway of coagulation, which culminates in the stabilization of a fibrin clot.